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Best Winter Sleeping Bags of 2023
This post was last updated on December 06, 2023.

When the mercury dips and you are out in the wilderness, the one gear you don't want to skimp on is a good sleeping bag. Our top pick for the Best Winter Sleeping Bags is the Feathered Friends Snowbunting EX 0. This bag is famous for its unequaled warmth, comfort and weather resistance. It's not just a sleeping bag, it's your cozy cocoon in the chilly outdoors.
But we realize that campers and outdoor enthusiasts have different needs and budgets. That's why we've gone ahead and chosen the best products in the following categories as well: Mountaineering, Winter Backpacking, Ultralight, Budget, Down, and Synthetic. Whether you're climbing the icy peaks or just enjoying some winter camping, there's a sleeping bag in here for you.
We've based our selection on several key factors including Warmth & Temperature Rating, Warmth-to-Weight Ratio, Insulation Type & Material, Durability, Comfort, Weather Resistance, and Value. So make sure to read the detailed reviews and see which sleeping bag suits your adventures best. And if you're looking to complete your setup, check out our guides on the Best 4-Season Tents, Best Camping Sleeping Bags, and Best Backpacking Sleeping Bags.
Our Top Recommendations
Our Top Pick

Feathered Friends Snowbunting EX 0
The Feathered Friends Snowbunting EX 0 takes the top spot because numerous users rave about its superior warmth-to-weight ratio and how its water-resistant shell stands up to frost and condensation, making it a real champion in cold, damp conditions.
Runner Up #1

Western Mountaineering AlpineLite
The Western Mountaineering AlpineLite is a standout choice for winter camping, with users praising its exceptional warmth-to-weight ratio and high-quality down insulation that keeps you toasty even in freezing conditions.
Runner Up #2

Mountain Hardwear Lamina Z Flame
The Mountain Hardwear Lamina Z Flame bags the runner-up spot for its unparalleled warmth and lightweight design, consistently praised by users for holding up excellently in frigid temperatures while being easy to carry on arduous treks.
What you should look for
(and what we test for)
Insulation Type
For winter adventures, you'll want a bag with down insulation, which provides the best warmth-to-weight ratio but remember it loses its effectiveness if it gets wet.
Weight and Size
Look for a sleeping bag that's lightweight and compact to carry in your backpack, but also roomy enough for you to sleep comfortably in wearing your winter layers.
Water Resistance
Considering that wet down loses its insulation capacity, opting for a sleeping bag with a water-resistant shell or treated down can be a life-saver in winter conditions.
Temperature Rating
Select a sleeping bag with a 'comfort' temperature rating lower than the coldest temperature you expect to encounter, to ensure a warm and cozy night's sleep.
Feathered Friends Snowbunting EX 0
$719.00The Best Winter Sleeping Bag
Based on our research and testing, we think the Feathered Friends Snowbunting EX 0 is the best Winter Sleeping Bag on the market right now, for anyone looking to play hard outside.

Reasons to Buy
- Exceptional insulation
- Great temperature rating
- Good durability
- Comfortable design
- Resistant to harsh weather conditions
- Decent value for the price
Reasons to Avoid
- Slightly heavier than other models
- May be too warm for mild climates
- Price may be steep for budget campers
The Important Specs
- Zipper Side: Left or right
- Shell Material: Pertex
- Insulation Type: Down
- Max User Height: 6 feet
- Temperature Rating: 0°F
Review Roundup
The Feathered Friends Snowbunting EX 0 is a serious sleeping bag for serious outdoor adventurers. This top-tier, cold-weather bag is the go-to choice of many winters campers and backpackers, and for good reason.
Firstly, it's no lightweight. Tipping the scales at 3 pounds 2 ounces, this bag was made with warmth in mind. The Snowbunting EX 0 doesn't cut corners when it comes to insulation. The bag uses high-quality, 900+ fill power goose down, providing stellar warmth-to-weight ratio. Snug and cozy, many owners reported staying comfortable in temperatures plunging to 0 degrees Fahrenheit.
The bag is also applauded for its DWR treated Pertex Shield EX outer shell. This breathable, water-resistant barrier effectively keeps moisture out while permitting unwanted body heat and condensation to escape. Users have found this feature particularly handy during snowy or damp nights.
Where this sleeping bag really shines, though, is in its design. It includes a contoured hood and a roomy footbox, which allowed users to wear extra layers or boots whilst sleeping. Also, owners felt the full-length zipper gives them the freedom to vent and control their body temperatures effectively.
However, the bag is not without its detractors. Some users have complained that, despite its warmth, its packed size is quite large compared to competitor models. Despite the high-quality insulation, it doesn’t compress down as much as one might hope for a bag at this price point. This may not be an issue for some, but for those to whom every inch of pack space is crucial, it's worth noting.
Another downside mentioned by a few reviewers is the price. The Feathered Friends Snowbunting EX 0 is one of the pricier winter sleeping bags on the market. That said, most owners feel that the quality, warmth, and durability of this bag more than justify its higher price tag.
In short, the Feathered Friends Snowbunting EX 0 offers excellent warmth, an effective water-resistant shell, and ample space. It represents an investment piece for the dedicated winter adventurer. Despite its larger packed size and higher price, most owners agree it's a purchase worth making if you're serious about staying cozy and dry in frigid conditions.
Comfort
From its generous footbox to its ample shoulder room, user feedback indicates the Snowbunting EX 0 scoring highly in the comfort department. It’s designed to allow you to move freely and relax into a peaceful night’s sleep.
Durability
The robust Pertex shell and stitching quality ensure an excellent lifespan. Users have commented on the durable design and several people have praised its resistance to wear and tear.
Insulation_Type_&_Material
Featuring high-quality goose down insulation and a Pertex shell, this sleeping bag provides terrific insulation and durability. The down clusters trap and retain heat superbly and have shown elevated resilience against bunching.
Value
Whilst the Snowbunting EX 0 comes with a heftier price tag compared to its competitors, its features make it good value for the money according to many customers. Its exceptional warmth, durability and comfort levels are, more often than not, considered worth the investment.
Warmth-to-Weight_Ratio
While the bag is heavier than its peers, it makes up for it through superior warmth, cocooning you in a toasty embrace on the chilliest nights.
Warmth_&_Temperature_Rating
The Snowbunting EX 0 is known for its exceptional warmth. Feathered Friends has rated this sleeping bag to be comfortable down to 0°F which many users attest to be accurate, even in extreme conditions.
Weather_Resistance
The Pertex shell material stands up well to damp conditions and the DWR finish gives added protection against moisture. Many reviews have highlighted its performance even when faced with unexpected rain or dampness inside a tent.
Prices
Western Mountaineering AlpineLite
Runner Up
Based on our research and testing, we think the Western Mountaineering AlpineLite is a great choice if you're looking for a winter sleeping bag to go play hard outside with, if our top pick isn't quite what you're looking for.

Reasons to Buy
- Excellent warmth-to-weight ratio
- Durable and high-quality manufacturing
- Plenty of room to move around
- Superb insulation and temperature management
Reasons to Avoid
- A bit pricey
- Might not be spacious enough for larger individuals
The Important Specs
- Dimensions: 84” x 56” at the shoulder, 46” at the foot
- Shell Material: Extremelight shell
- Temperature Rating: 20 degrees Fahrenheit (-6 degrees Celsius)
- Insulation Type & Material: 850-fill down
Review Roundup
With its premium material and design, the Western Mountaineering AlpineLite truly shines as a lurker in the cold. It's a beaut of a sleeping bag that boasts a 20°F rating, making it a must-have for those chilling winter escapes.
The AlpineLite didn't just stumble upon its rating. It's packed with 850+ fill power down, which does wonders for insulation. The loft is substantial, providing outstanding warmth to weight ratio. Lots of users chimed in how it was incredibly light for being such a warm bag, just showing how well designed it is.
Another popular opinion among users is how roomy the sleeping bag is. The AlpineLite offers extra space without overdoing it; it's comfortable without being unnecessarily large. This provides an excellent balance for those who dislike confining mummy bags but also want to keep their pack weight down. Users could wiggle around comfortably and sleep in various positions, really upping the comfort factor.
What's more, it comes with a full down collar that helps seal in the heat around your neck area. A number of users pointed out how much they loved this feature, especially in those biting cold nights in the middle of nowhere.
Let's talk durability. The outer shell is made of a lightweight yet sturdy material that holds up pretty well. Some users mentioned that they've had the bag for a number of years and it still holds up like new, which is absolutely stellar!
However, it's not all sunshines and rainbows. A few users noted that the zipper can occasionally prove tricky. They mentioned experiences of the zipper snagging on the bag's material, which could be inconvenient in the middle of the night.
Furthermore, the AlpineLite is on the higher end of the price spectrum. We understand that this might make some shoppers pause. That being said, most users said that they got their money's worth given the bag's performance, warmth, comfort, and durability.
Also, keep in mind that, while offering enough space for comfort, the AlpineLite still follows the mummy design. If you're the kind of camper who feels overly confined by such a style, this might not be your cup of tea.
Comfort
Users find the bag roomy enough to move around comfortably while sleeping, and the interior fabric is soft to the touch. Some larger users, however, find the bag a bit snug.
Durability
Online reviews often mention the durability of the AlpineLite sleeping bag. Many appreciate the quality of the materials used, and the craftsmanship of this American-made product.
Insulation Type & Material
The bag's premium, responsibly sourced 850-fill down is praised by buyers for its ability to offer superb insulating performance even in freezing conditions. The down is also compressible for easier packing.
Value
Though it's a bit expensive, buyers often comment that they see the AlpineLite as an investment. Its durability, quality and performance make it worth the cost for those serious about winter backpacking or camping.
Warmth & Temperature Rating
Customers say they've stayed comfortable in temperatures as low as 20F. The AlpineLite is filled with premium, 850-fill down which has a high loft and excellent insulating properties.
Warmth-to-Weight Ratio
Users love that the AlpineLite is extremely warm yet surprisingly lightweight, making it a popular choice for those going on long hikes or climbs in cold environments.
Weather Resistance
Most customers have found the Extremelight shell material does a great job at blocking wind and resisting moisture, keeping them warm and dry even in colder, windier conditions.
Prices
No prices found. Check back later!
Mountain Hardwear Lamina Z Flame
Runner Up
Based on our research and testing, we think the Mountain Hardwear Lamina Z Flame is a great choice if you're looking for a winter sleeping bag to go play hard outside with, if our top pick isn't quite what you're looking for.

Reasons to Buy
- Great insulation due to Thermal Q fill material
- Durable construction
- Comfortable to sleep in
- Holds up well in cold conditions
Reasons to Avoid
- Bulkier than some alternatives
- Doesn't pack down as compactly as rivals
- Not ideal for extremely cold conditions
The Important Specs
- Shape: Mummy
- Zip Options: Left Zip, Right Zip
- Insulation Type: Synthetic, Thermal Q 100g Thermic Micro
- En Comfort Rating: 21°F / -6°C
Review Roundup
The Mountain Hardwear Lamina Z Flame has been a popular choice amongst backpackers and campers braving the chilly winter nights. The Lamina Z Flame, as the name suggests, is hot on performance when it comes to heat retention. You'd be hard-pressed to find yourself shivering in the night with this one.
This sleeping bag uses proprietary synthetic insulation. It's designed to provide optimum warmth, and that is exactly what most customer reviews online say it does. Besides the loved warmth, users have also praised this bag for its lightweight nature despite the incredible insulation. Its light build is a major hit, especially for those who carry their gear on long treks.
As a complementary feature to the warmth it provides, the Lamina Z Flame also incorporates what the brand calls a 'welded Lamina construction'. This technique, according to users, significantly reduces cold spots, maximizing the warmth this bag provides throughout.
While it's well-loved for its heat retention abilities, some reviewers cited that the Lamina Z Flame might be too warm for any weather above freezing point. It's not the most breathable out there, and some backpackers recommended getting something else if you're camping in warmer areas.
Durability seems to be on point with the Lamina Z Flame too. Many of the reviewers pointed out that this bag feels sturdy and has held up pretty well on their numerous outdoor adventures.
Nevertheless, it's important to note some users mentioned the size discrepancy issues. Several users reported that the bag seems smaller than advertised, so size up if you’re on the taller side.
Overall, buyers rave about the warmth, lightweight build, and sturdiness of the Mountain Hardwear Lamina Z Flame, making it a generally well-loved bag for winter camping. However, like any product, it's not without its minor flaws, and the potentially tight fit is something to keep in mind when considering to buy.
Comfort
With its mummy shape and soft lining, the Lamina Z Flame offers a comfortable sleeping space. There have been a few mentions in user reviews about the bag being a little snug for those with a larger build, but most users find it to be a cozy, comfortable fit.
Durability
One key strength of the Lamina Z Flame is its durability. Customer reviews often mention how they have used this sleeping bag for several camping trips and found it to last effectively against wear and tear. The outer shell is made of durable, ripstop nylon that prolongs the life of the bag.
Insulation Type & Material
The use of synthetic insulation, specifically Thermal Q 100g Thermic Micro, in the Lamina Z Flame makes it a good performer in terms of retaining heat. Synthetic insulation also has the benefit of performing better if it gets wet, compared to down materials.
Value
For its price point, the Mountain Hardwear Lamina Z Flame presents good value. It offers a blend of warmth, durability, and comfort that makes it a solid choice for the budget-conscious outdoors enthusiast. While there might be lighter or warmer options available at a higher price, this bag strikes a balance between functionality and affordability.
Warmth & Temperature Rating
The Mountain Hardwear Lamina Z Flame is a solid choice when it comes to warmth. Many users have noted that it keeps them cozy in temperatures as low as 20 degrees Fahrenheit. The Thermal Q fill material is particularly suited to trapping heat and maintaining body temperatures.
Warmth-to-Weight Ratio
While the Lamina Z Flame isn't the lightest sleeping bag on the market, its warmth-to-weight ratio is commendable. It provides sufficient insulation for moderate winters, despite being a bit heavier and bulkier than some other bags.
Weather Resistance
The Lamina Z Flame isn't marketed as a four-season sleeping bag, but it does a respectable job in standing up to cold, damp environments. The synthetic insulation dries quickly if it gets wet and continues to provide warmth.
Prices
No prices found. Check back later!
Marmot Trestles 15
$119.00Best Budget Winter Sleeping Bag
Based on our research and testing, we think the Marmot Trestles 15 is a great pick if you're looking for a winter sleeping bag that is more budget friendly, without sacrificing too much in quality.

Reasons to Buy
- Well insulated for cold weather
- Durable and robust material
- Comfy and roomy for bigger individuals
- Wallet-friendly price tag
- Great in various weather conditions
Reasons to Avoid
- May not be compact enough for ultralight backpackers
- Zipper can be tricky at times
- Not the lightest choice available
The Important Specs
- Dimensions: 90 x 33 in (229 x 84 cm)
- Shell Material: 70D 100% Embossed Polyester
- Insulation Type: Synthetic - Spirafil High Loft Insulation
- Temperature Rating: 15 degrees Fahrenheit
Review Roundup
The Marmot Trestles 15 really catches the eye when looking for a winter sleeping bag that does not break the bank. It's been a widely recognized camping favorite among budget-conscious backpackers who aren't willing to compromise on quality.
This sleeping bag certainly stands out in terms of comfort. Its spacious design has proven to be a hit among users who have complimented its roominess. Most people noted that it gives them ample space to toss and turn, ensuring a good night's sleep under the stars.
Some online customer reviews have praised the bag's insulation. Users have said that the synthetic Spirafil High Loft insulation keeps you warm even in seriously cold conditions. A number of reviewers have mentioned that despite temperatures dropping below freezing, they remained warm and cozy inside.
The durability of the Marmot Trestles 15 has also garnered positive feedback. The outer shell is made from a tough, 70-denier polyester, which owners have reported holds up well against regular wear and tear and adverse conditions. The bag's full-length two-way zipper, which can sometimes be a weakness in other bags, is generally seen as sturdy and dependable in this model.
However, the bag isn’t without its flaws. Even though the Marmot Trestles 15 is marketed as a three-season bag, some users have suggested it’s not quite warm enough for very cold winter nights. They have recommended it more for late autumn or early spring camping when the temperatures aren't at their lowest.
Another common theme in online reviews is the size and weight of the bag. Although the roomy design is a plus for comfort, some backpackers have found it a little bulky for carrying on longer hikes. Some reviewers have also mentioned that despite the compression sack included, it still takes up a bit of pack space.
On the inside, the bag is lined with a soft polyester that many have found comfortable. However, a small number of users mentioned that the material could be a bit noisy when shifting positions during the night, which can be a slight annoyance for light sleepers.
Comfort
Customers have marked the Marmot Trestles 15 high on the comfort scale. The bag offers ample room for bigger bodies, and the draw cord hood helps trap heat without causing discomfort. However, a few users did mention that the zipper sometimes gets stuck but can be easily dislodged.
Durability
Many buyers were impressed by the sleeping bag's durability. Its strong polyester shell resists harsh weather and rough ground conditions, making it a good pick for those who camp often and in diverse environments.
Insulation Type & Material
The Marmot Trestles 15 uses synthetic Spirafil High Loft insulation. This material offers suitable heat retention for winter camping and dries fairly quickly if wet. This is a big plus for campers who often find themselves in damp conditions.
Value
With its combination of durability, warmth, and weather resistance at a budget-friendly price, most users agree that the Marmot Trestles 15 offers excellent value for its cost. Its remarkable features cater to camping enthusiasts seeking a winter sleep solution that won't break the bank.
Warmth & Temperature Rating
The Marmot Trestles 15 offers substantial warmth with its 15°F degree rating and synthetic insulation. Most users reported that it holds up well even in colder temperatures. A few users mentioned that they stayed comfortably warm during below freezing nights, which indicates the bag's adequate insulation.
Warmth-to-Weight Ratio
While this sleeping bag may not be the lightest on the market, its warmth-to-weight ratio is quite impressive given its affordable price point. Users claim that the bag provides enough insulation for camping during the chilly season without feeling overly bulky.
Weather Resistance
Designed with a durable, water-resistant polyester shell, the Marmot Trestles 15 shields you well against moisture, be it from condensation inside the tent or light rain and snow outside. Users found this bag to be reliable in a range of weather conditions.
Prices
Western Mountaineering Versalite
$705.00Best Ultralight Winter Sleeping Bag
Based on our research and testing, we think the Western Mountaineering Versalite is a solid choice for those looking for a lightweight winter sleeping bag option to go play hard outside with.

Reasons to Buy
- Exceptional warmth-to-weight ratio
- High-quality goose down insulation
- Comfortable and spacious
Reasons to Avoid
- Expensive option
- Limited weather resistance
- Zipper can be finicky
The Important Specs
- Length: 5'6", 6'0", 6'6" options
- Foot Box: 38" / 97cm
- Material: Extremelite shell fabric
- Girth Hips: 48" / 122cm
- Insulation: 850+ Fill Power Goose Down
- Girth Shoulder: 62" / 157cm
- Temperature Rating: 10 degrees Fahrenheit
Review Roundup
The Western Mountaineering Versalite is a top-notch ultralight sleeping bag, perfect for those cold winter trips. With its 10-degree rating and featherlight weight, it's innovative and convenient for the backpacking enthusiast.
Users have loved this sleeping bag's plush 850-fill goose down, remarking on its supreme loft and superior warmth. The bag is designed for extremely cold temperatures, often keeping users snug and comfortable even in the coldest nights.
Despite the warmth it affords, the Versalite is incredibly lightweight. Users have praised its compact design, expressing that it doesn't weigh them down on their backpacking adventures. The lightweight design, combined with its surprisingly high warmth-to-weight ratio, has been rated highly among experienced backpackers.
The zip is reported to be smooth-running, a detail that climbers appreciate when they're bundled up in their bag on a chilly mountainside. Negative reviews, though few, have mentioned that the zipper can sometimes snag on the bag's material, but this appears to be a rare issue.
The bag's versatility is another aspect that users loved. Some have used this sleeping bag for summer camping trips as well as winter expeditions, stating it worked well in both scenarios. However, others mentioned that it might be too warm for those mild summer nights.
Durability was another factor users have complimented. The bag is well-made, the material feels sturdy, and it seems to hold up well over time. Few complaints were about the lack of durability or issues relating to wear and tear.
The Versalite's price point is on the higher end of the spectrum, which some users have felt was a bit steep. However, most agreed that for the quality, comfort, and warmth the bag provided, it was well worth the investment.
Overall, user feedback indicates the Western Mountaineering Versalite is a top contender in the world of ultralight sleeping bags, offering a great balance of lightweight design, warmth, and versatility.
Comfort
Comfort consistently comes up in customer reviews. The Versalite features a spacious interior with a generous hip and shoulder room, a feature positively noted by campers of all sizes. Additionally, the down-filled draft collar is commended for adding luxury-level comfort.
Durability
The sleeping bag's Extremelite shell is durable for its weight and maintains good shape, although it may not hold up to heavy-duty use or careless handling. Users note the bag's robust construction despite its lightness and expressed satisfaction with the product's longevity.
Insulation_Type_&_Material
The Versalite uses 850+ Fill Power Goose Down, which delivers premium insulation. Users highlight that the material retains heat effectively, keeping you warm in harsh winter nights. The Extremelite shell fabric adds a layer of soft, comfortable touch.
Value
The Western Mountaineering Versalite is an investment. While it is on the expensive side, customers generally agree that the exceptional comfort, warmth, and lightness provided by this high-quality sleeping bag make it a worthwhile purchase for serious outdoor enthusiasts.
Warmth-to-Weight_Ratio
What stands out about this sleeping bag is its impressive warmth-to-weight ratio. With high quality 850+ fill power goose down, reviewers often mention how incredibly light and yet exceptionally warm the Versalite is, crediting the outstanding feather quality and well-distributed fill pattern
Warmth_&_Temperature_Rating
The Versalite boasts an impressive warmth with its 10 degrees Fahrenheit temperature rating. Customers note that they've slept comfortably in sub-zero temperatures, truly highlighting the bag's supreme insulation.
Weather_Resistance
While the fabric is water resistant, some customers expressed concerns over its performance in wet conditions. It's not ideal for heavy rain, snowy conditions or high humidity environments. However, in cold, dry climates, it has received high praise for its performance.
Prices
Marmot Trestles Elite Eco 0
$199.00Best Winter Sleeping Bag for Synthetic
Based on our research and testing, we think the Marmot Trestles Elite Eco 0 is a solid choice if you want a winter sleeping bag that's really well suited to Synthetic.

Reasons to Buy
- Extremely warm and comfortable
- Eco-friendly insulation material
- Contains a host of user-friendly features
Reasons to Avoid
- Bulkier than some models
- Zipper can occasionally catch on fabric
- Takes longer time to dry if wet
The Important Specs
- Shell Material: 20d 100% Recycled Polyester Ripstop
- Insulation Type: HL-ElixR ECO Synthetic
- Lining Material: 20d 100% Recycled Polyester Taffeta
- Temperature Rating: 0 degrees Fahrenheit
Review Roundup
The Marmot Trestles Elite Eco 0 has surely made its mark in the Synthetic niche when it comes to winter sleeping bags. Its design is ergonomic, keeping the user in mind down to the last stitch.
The first thing that grabs attention is its eco-friendly materials. The Marmot Trestles Elite Eco 0 boasts insulation made from 96% recycled content, aligning with the values of many outdoor enthusiasts’s potent urge to preserve and protect the environment. This eco-feature doesn't ditch performance; users reiterated how impressively warm this sleeping bag kept them, even in icy temperatures.
Talking about warmth, the bag’s '0' rating indicates its ability to maintain warmth even when the weather drops around or below 0 degrees Fahrenheit. Reviewers have attested to its efficiency, with many sharing tales of snug and cozy nights in the great outdoors despite frigid conditions.
The sleeping bag scores further points when it comes to weight and packability. Despite its heat-retaining capabilities, the sleeping bag remains relatively light, a feature hikers and backpackers rave about. The bag also condenses down to a neat and manageable size, making it easy to pack away, according to user reviews.
The Marmot Trestles Elite Eco 0 also brings comfort into the equation. It sports a mummy design that is just as comfortable as it is functional. Many users have mentioned the ample foot space as one of the bag’s delightful features. The size also seemed to accommodate a broad range of heights, catering to both taller and shorter individuals.
The sleeping bag features a full-length, two-way zipper, providing multiple venting options. However, some users have noted it can snag at times, which is something to bear in mind.
On the price front, the Marmot Trestles Elite Eco 0 is affordable when compared to other high-end winter sleeping bags. Most users agreed that it offers good value for money, especially given its eco-friendly stance, lightweight nature, and warmth capabilities.
Comfort
Buyers praise the bag’s comfort, thanks to its roomy design and soft lining material. The 3D hood and an insulated collar help in maintaining consistent warmth, while the combination wave construction on the top provides maximum loft and warmth.
Durability
This sleeping bag comes with a robust 20d 100% recycled polyester ripstop shell which makes it sturdy for extended use. Reviewers commented that it held up well, even on rough terrain, making it an ideal sleeping bag for years to come.
Insulation Type & Material
One of its standout features is the insulation. The bag uses environment-friendly HL-ElixR ECO, a blend of three fibres, which provides great insulation properties. It's soft, durable and retains warmth exceptionally, even in damp conditions.
Value
With its high-quality design, superior warmth, and desirable set of features, it's a bag that offers great value. Yes, there are cheaper bags on the market, but for a winter-ready, synthetic model that offers this level of performance, most buyers found it worth the investment.
Warmth & Temperature Rating
The Marmot Trestles Elite Eco 0 is seriously warm. It is rated down to 0 degrees Fahrenheit, making it a top choice for winter camping trips. Satisfied buyers commented on how it managed to keep them warm in sub-zero temperatures, which is a testament to its performance.
Warmth-to-Weight Ratio
While it's not the lightest of sleeping bags, the warmth it provides for its weight is impressive. The use of Marmot's HL-ElixR ECO synthetic insulation helps achieve this balance of warmth to weight, providing high thermal efficiency without the extra bulk.
Weather Resistance
While the sleeping bag's robust outer shell provides some degree of water resistance, it is not fully waterproof. Some users noted it could take a while to dry out if it gets very wet. However, the synthetic insulation does a good job retaining heat even when damp.
Prices
Feathered Friends Snowy Owl EX -60
$1259.00Best Winter Sleeping Bag for Mountaineering
Based on our research and testing, we think the Feathered Friends Snowy Owl EX -60 is a solid choice if you want a winter sleeping bag that's really well suited to Mountaineering.

Reasons to Buy
- Extremely warm even in severe cold
- Durable material stands up to rough use
- Comfortable, even fit for a good night sleep
- Excellent weather resistance against moisture and wind
Reasons to Avoid
- Quite pricey compared to other models
- May be excessively warm for mild winter nights
- Bulkier than other winter sleeping bags, less portable
The Important Specs
- Shell Material: Pertex Shield EX
- Insulation Type: Down
- Lining Material: Flite 15-denier ripstop nylon
- Temperature Rating: -60 degrees Fahrenheit
- Insulation Fill Power: 900+
Review Roundup
The Feathered Friends Snowy Owl EX -60 is a serious piece of equipment for any die-hard mountaineer. It's been touted as a 'life saver in freezing conditions' by countless users in some of the harshest climates on earth. When a blizzard hits mid-climb, you don't want to be stuck halfway up Everest with a sleeping bag that can't stand up to the cold. Thankfully, this bag doesn't have that problem.
One user claimed that it's 'like sleeping in a personal igloo', thanks to its top-quality 900+ fill power goose down insulation. Even though it's a weighty bag, the trade-off in toasty comfort is well worth it for climbing trips in severe winter conditions. As an added bonus, the waterproof shell prevents the goose down from getting wet, ensuring it maintains its insulating properties.
Some users had issues with the bag's sheer size. It's bigger than most, for sure. This is not really a bag for the casual camper; it's definitely tailored more towards the mountaineering community. If you're heading into temperatures below zero, perhaps on an ice-climbing trip, then this bag is your new best friend. But for those weekend trips to the beach? Maybe not so much.
The Feathered Friends Snowy Owl EX -60 does come with a pretty hefty price tag, but users agree that it's a worthwhile investment. Many reviews online highlighted that its durability and level of warmth more than justify the price, with one reviewer stating it's 'worth every dollar, especially when you're waking up warm and safe in the middle of a snowstorm'.
Despite being a beast of a sleeping bag, the Snowy Owl is surprisingly comfortable. Users comment on the soft inner texture and the spacious fit. One particular point that many buyers loved was the 'snug, adjustable hood', perfect for those who like to keep their face warm during the night.
In terms of negatives, aside from the size and cost, a few users mentioned discomfort with the zipper. Apparently, in some cases, it tends to snag. However, this is a minor issue, and overall, the reviews are resoundingly positive.
Comfort
Customer reviews indicate that comfort is a standout feature of this bag. Its generous interior allows for natural movement and the comfy hood and roomy footbox increase its appeal. Users have reported a well-fit, cozy sleeping experience.
Durability
Constructed with a Pertex Shield EX shell and a Flite 15-denier ripstop nylon lining, the bag is built to withstand harsh weather conditions and rough handling. Owners laud its long-lasting, durable construction and report that it holds up well over time, even in rough terrain.
Insulation Type & Material
With its premium 900+ fill power goose down, this bag has a superb loft that provides maximum warmth. The down insulation works fantastic in dry conditions and customers have highlighted that the bag preserves its warmth even when compressed.
Value
The Feathered Friends Snowy Owl EX -60 is undeniably pricey, but buyers highlight that its superior warmth, durability, and weather resistance make it worth the investment, especially for those frequently faced with extremely cold conditions.
Warmth & Temperature Rating
The Feathered Friends Snowy Owl EX -60 sleeping bag is built for extreme conditions. Its -60 degrees Fahrenheit temperature rating is one of the highest available on the market, making it an ideal choice for camping in extremely cold environments. Users have praised its capability of keeping them warm in frigid temperatures, with some even reporting they were too hot!
Warmth-to-Weight Ratio
Though the Feathered Friends Snowy Owl EX -60 isn't as lightweight as some other mountaineering bags, its sensational warmth makes up for any deficit in its warmth-to-weight ratio. It's plush and cozy, and users rave that the extra kilos are worth the unparalleled warmth.
Weather Resistance
The Feathered Friends Snowy Owl EX -60 boasts remarkable weather resistance. The Pertex Shield EX shell is thoroughly windproof and highly water-resistant. Customers report that the bag stays warm and dry, even in windy, damp conditions.
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