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Western Mountaineering Versalite Sleeping Bag: 10F Down

$559.95 - $574.95

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    62 Reviews


    Versalite Sleeping Bag

    Sporting a full draft collar, premium 850-fill goose down, and highly breathable shell fabric, the astonishingly light Western Mountaineering Versalite 10-Degree Down Bag is ideal for three-season trekking, kayaking, and bike-touring. High-alpine climbers looking to shed a few pounds will appreciate its unmatched warmth-to-weight ratio, and mountaineers looking to push the limits of their shoulder-season gear can glean a bit more insulation from layers thanks to a wider shoulder circumference.

    • Breathable, ultra-light, packable, and high-thread-count ExtremeLite shell fabric encases the insulation without adding unnecessary weight
    • Ultra-premium 850-fill down insulation retains your body’s warmth and provides a higher warmth-to-weight ratio than any synthetic-fill insulation
    • Interlocking draft tubes and a down-filled collar prevent energy-sucking drafts from zapping your slumber
    • Wider shoulder girth allows for extra layering in brutally cold environments
    • Western Mountaineering bags are made in the USA
    • Item #WES0034

    Tech Specs

    [shell] ExtremeLite, [lining] nylon taffeta
    850+ fill down
    Max User Height
    (short) 5ft 6in, (regular) 6ft, (long) 6ft 6in
    Shoulder Circumference
    (short) 62in, (regular) 62in, (long) 63in
    Hip Circumference
    (short) 53in, (regular) 53in, (long) 54in
    Foot Circumference
    (short) 39in, (regular) 39in, (long) 39in
    Storage Sack
    Stuff Sack
    Claimed Weight
    (short) 1lb 14oz, (regular) 2lb, (long) 2lb 2oz
    Recommended Use
    Manufacturer Warranty

    Tech Specs

    • Reviews
    • Q & A

    What do you think about this product?

    Have questions about this product?

    My Favorite piece of gear

    • Familiarity: I've put it through the wringer

    I've already reviewed this bag but after another 200+ nights in it since then I thought I'd update it. This is my go to bag I use it for everything, I used this bag For the Pacific Crest Trail and it worked flawlessly. From sleeping at 12,500 ft in the Sierra's at the base of Forester Pass in a 200% snow year. or sleeping in the SoCal desert this bag does the job and does it exceptionally well. Its generous temperature rating that Western is know for, to the continuous baffles that allow you to adjust the warmth of the bag by adjusting the down to be on-top or beneath you. This bags truly live up to the name Versalite, From being just a hair over two pounds ( in the 6' 6") and being comfortable in 10* weather as well as 40* this bag truly is versatile. This bag will continue to be my Go-to bag for all my adventures. Western mountaineering makes bags and makes them extremely well.

    So Light

    • Familiarity: I've used it several times

    This thing is so light and packs so well its mind-boggling. There really is a difference with these things. It's kept me warm in cozy in the snow several times. I've tested it down to 10 degrees in the open air and a sleeping pad with an R-Value of 3.7. It kept me comfortable!

    So Light

    Western or Nothing

    • Familiarity: I've used it several times

    Western Mountaineering makes sleeping bags and they make them WELL! Specifically, this bag is one of my favorites from them. The 10-degree rating allows a good breadth of temperature ranges that you can be at without roasting alive or freezing your butt off. It packs down to nothing when you need and still lofts well and easily when it's time to get ready for bed. It's not so small that it's constrictive but keeps warmth nicely and feels comfortable inside.


    • Familiarity: I've used it several times

    When it comes to Sleeping Bags no one can top Western Mountaineering quality.

    This down sleeping bag is incredible! Lightweight, warm, and built tough.

    First let me start with the zipper, this zipper isn't a flimsy cheap zipper that will get stuck it's a large high quality one that won't get snagged or jammed.

    I'm 6'0 and fit in this bag (just barely) . I car camped in about 18 degree temps and I was nice and toasty the whole time with just a t-shirt and boxers underneath.

    This bag is so lightweight it's insane! It can pack down very tight and shove it into the bottom of my bag as well. This sleeping bag is far above any other sleeping bag I've owned, it doesn't even compare!

    If you want a great bag what will never let you down, this is the way to go!

    Western Mountaineering is top notch

    • Familiarity: I've put it through the wringer

    This bag is very high quality, plush, super light, and I found it to be incredibly warm. I bought it for the Three Pass Trek in Nepal and it kept me warm on this 14 day hiking trip when every night was below freezing. I did already own a zero degree F bag but it was heavy, so I bought this 10 degree F bag to cut down on weight as it's super light for its rating. I do run warmer than most, so not sure it's the perfect bag for everyone's winter adventures, but it was perfect for me. I was never cold in this thing and like I said, every night was below freezing. Only downside is that the stuff sack is pretty bad. It doesn't compress the sleeping bag (not a compression bag like the one that came with my Mountain Hardwear bag). You just shove it in and pull the draw string, which of course makes it smaller for your backpack, but doesn't compress it down as much as possible and thus it is still kind of big for most backpacks. It didn't fit horizontally in my friend's 55L Hyperlite pack, but did fit horizontally in my 70L Osprey pack. I still recommend the product for sure, I'm just considering buying a new stuff sack for it. Also I am 5'9" and felt the 6' bag I bought fit true to size. The 5'6" bag would have been too small.


    • Familiarity: I've used it several times

    This is an exceptional piece of gear. Spent a night out in 8 F and was perfectly comfortable. You won't find another bag with this warmth to weight ratio and the zipper is the best I've seen on any sleeping bag. Highly recommended.


    • Familiarity: I've used it once or twice and have initial impressions

    This was my first Western Mountaineering experience and my oh my was it amazing. I took this to Flaming Gorge when a strong cold front came in and even snowed on us. Temps dipped into the teens and i felt great in just a baselayer and a t shirt.

    I would HIGHLY recommend this bag as it was extremly lofty and super cozy.

    Cozy for a girl who runs cold.

    • Familiarity: I've used it several times

    This would be a great all around bag! I run cold so I would even use this for car camping in Fall and Spring when it's a little chillier. It is lightweight and would be a great lightweight bag for backpacking. If you do have this bag as your all around bag, be gentle! The lighter bags have more sensitive material to make them lighter. I AM IN LOVE with Western Mountaineering sleeping bags. Put one on my bed at home and I'd be happy.

    Amazing ! Super Warm Sleeping Bag

    • Familiarity: I've used it several times

    I chose this bag based on the Western Mountaineering name and reputation. This bag lives up to the hype. If you want a bag that built to last and checks all the boxes for a lightweight, crazy warm sleeping bag that's not going to have problems in a year or two, buy this bag!

    If you get after it in the cold

    • Familiarity: I've used it once or twice and have initial impressions

    This bag is crazy warm. I took it on a desert trip just to try it out and I couldn't sleep in it. It was way too hot. The construction of the bag is impeccable and this is one of the nicest sleeping bags I have ever seen. Get this bag if you want the nicest sleeping bag on the planet.

    Absolutely Amazing Bag

    • Familiarity: I've put it through the wringer

    This sleeping bag is Fantastic! with the horizontal baffles this bag allows you to sleep in a wide range of temperatures very comfortably. I personally have slept from temperatures ranging from -5 to +40 comfortably. With Western Mountaineering's generous warmth ratings its a great all round bag, especially if adding a sleeping bag liner is an option. If you have any questions feel free to contact a gearhead.

    Absolutely Amazing Bag

    Would you call this a comfort rated 10F bag then, as opposed to most bags ratings being limit? I have a north face blue kazoo 15 but looking for something warmer. Can't decide if this is actually going to be that much warmer or I should go down more.

    Too Roomy to Function

    • Familiarity: I've used it several times

    This bag is everything everyone says it is - construction is incredible, durability and quality cannot be matched. The integrity of the company shines through and I cannot say enough about how highly I think of Western Mountaineering and the work they do to keep products local.

    That being said, there is a critical problem for me. You can spot this by looking at the specs, but the short bag has the same interior dimensions as the longer bags. Meaning, the giant bag is made to fit a 200+lb round over 6 foot tall male, and the smallest bag is designed to fit a 200+lb round under 5 foot female. I'm 5'4" and 115 and there is so much room in the middle of this bag I can sit up straight in it. This air space makes the 10 degree rating completely useless. I've tried putting my full backpack and all my gear inside the bag with me to fill the space but its not the most comfortable.

    I bought this because I'm a cold wimp, so it's entirely subjective, but I was cold sleeping in over 40 degrees with this guy, and my other bags rated to 20 and 32 (but are snug), keep me warmer.

    I'll consider the 600 dollars an in-kind contribution to an incredible company with a great cause, but I gave up on trusting this bag outdoors.

    As good as they say it is

    • Familiarity: I've put it through the wringer

    The Versalite is extremely warm and puffs up to an incredible amount of loft, 6.5", from a very small 12L stuff sack size. I've even fit it into the Western Mountaineering XS stuff sack which is less than 10L. I'd agree with others that the premium down and excellent draft tube make the Versalite good to below the stated 10 degrees. The Versalite can be zipped together to make a 2 person sleep system with Western Mountaineerings non-hooded Semi Rectangular bags including the TerraLite, Alder, Ponderosa, Sequoia, and Bristlecone.
    Make sure to keep your Versalite, or any down sleeping bag, in it's storage sack (the included large bag) when not in use to keep the down at it's peak loft for when you do use it.

    Light N' Toasty

      This bag is pretty sandbagged at a 10 degree rating, I would say this is at least a 0 bag. I used this as a quilt at 35 degrees, and my feet were sweating. The materials are hands down the finest you can get, 850+ down fill, comfortable taffeta lining, and a durable lightweight shell. I let my wife use this bag with our baby and they were very warm below freezing and there was plenty of room for both of them. The packed size of the versalite is perfect for backpacking, as it is smaller than many other brads 20 degree bags. I thought about getting this bag for three seasons here in Utah, but think I might need something a little less toasty like the ultra or terralite. The hood design is impressive as well, seems to really trap a lot of heat while not being incredibly restricting like other mummy bags. Overall five stars!


      Thank you for a great review! Yes, if anything, Western is conservative about their temperature ratings. Better than the other way around!! The Terralite is a killer bag. But for those colder temps, the Versalite nails it. Thanks for the feedback!
      Western Mountaineering Rep


      • Familiarity: I've put it through the wringer

      i've used this bag from the french alpine to the Icelandic highlands in a shoulder season! It is crazy versatile, impeccable build quality, made in the US, and the down is staying put in the baffles !! Cannot recommend this bag enough!

      Awesome Light Bag

      • Familiarity: I've used it several times

      This bag is a great sleeping bag. I plan on it lasting for my lifetime. It's incredibly light, packs down small, and is very warm for the weight. It is a much tighter fit for sleeping than my other bags, but that would be why it weighs less and keeps you warmer.

      *** However, as a cold-sleeping female, it is NOT a 10-degree bag. I'd guess it's good for me down to 30 degrees. For the average guy or warm-sleeper, it'd be great down to much cooler temps.

      Versalite Bag

      • Familiarity: I've put it through the wringer

      I have used this sleeping bag for 3 years now. I slept in it for 14 nights in the N. Cascades and on MT. Rainier. The conditions on Mt Rainier at 11,000'

      So warm and compact!

      • Familiarity: I've used it several times

      This is the best purchase I have made in a long time. I used it multiple times now in colder temperatures and it does not disappoint at all! If you want a warm and comfortable camping experience year round, then buy this sleeping bag! It won't let you down.

      I am 6'2" when stadning straight. Do I really need the larger bag for a decent fit? I rarely sleep completely stretched out. Also at 230 I have larger shoulders and hips, ive read that this bag has a slimmer fit, would you recommend something larger?

      Best Answer

      Hey John,

      You will need the larger bag if you are over 6 feet. I'm 5'10" and pretty close to maxed out in the Versalite. This bag has 62 inches of shoulder girth which is wider than your standard bag but certainly not an XL cut. If you are needing a wider option than that, I might consider the Western Mountaineering Sequoia (5 degree) which has 66in of shoulder girth and 61 inches in the hips as compared to 53 inches in the Versalite.

      Hi There, I'm a super-cold sleeper and I just bought Western Mountaineering Antelope MF, which seems like an awesome bag, as far as loft, temp rating, construction, non-stick zippers, but the one thing I'm hesitant about is that the inside fabric has a very plastic-y appearance and feel. It seems more like sil-nylon than anything else, and I can't help but think I'll stick to it, and it'll make me sweat. Does anyone have any insight into whether the Versalite has a different fabric on the inside? Maybe I'm totally wrong about the way the fabric on the Antelope will behave, but it just has a sort of cold, plastic feeling I am not sure I am okay with. Thanks!

      The lining will be the same between the Versalite and Antelope. I do think their lining has a plastic look and feel but, Ive never stuck to mine from sweating. Of course when I use the bag in too warm of a climate I sweat but, no different then other bags. If anything the Western Bags breathe really well so you get more of a comfortable temperature range compared to other bags.

      Fabric durability?
      personal experience with this fabric. I typically backpack with my dog and am just a little worried about ripping - I've never had any problems with my past sleeping bags though (marmot plasma and angelfire)!

      Any personal insight would be great!

      Best Answer

      Hannah, This will be as durable as the others.So, if your puppy's claws haven't done damage before, you'll be okay with this, as well. With that said, no sleeping bag companies consider themselves as dog proof, even though most of us take our dogs anyway!

      Hannah, This will be as durable as the others.So, if your puppy's claws haven't done damage before, you'll be okay with this, as well. With that said, no sleeping bag companies consider themselves as dog proof, even though most of us take our dogs anyway!

      Leta, are the ExtremeLite bags still using a Pertex shell? If so what type; Quantum, Microlight, etc. Thanks.

      Hey there - the fabric was Pertex from England about 15 years ago, then a Japanese company bought them and that's who we use, but it is no longer Pertex - looks like the description needs to be updated!

      It is a 12 denier, 450 thread count fabric weighing in at 0.85oz / yard!

      Hope that helps!


      Western Mountaineering Rep

      Is the Green/Black color the latest model of this bag? WM's website only shows the lighter green color that is currently out of stock here.

      I'm a woman and my toes tend to get extra cold in bags that aren't women-specific. I've heard it's possible to send Western Mountaineering bags back to their factory and they can pump a little extra down into the feet and hips for better comfort for women, is this true?

      Best Answer

      Hey Megan,

      Western Mountaineering will pump extra down into their bags, but you would have to send the bag to them to get it done. What are you planning to use the sleeping bag for? If you tend to run cold then I would recommend checking out the Antelope GWS Sleeping Bag (Item # WES0035) which will be a bit warmer. Feel free to shoot me any additional questions directly.


      Expert Gearhead



      I am just under 6 feet (71 inches tall) and weight 190lbs. I would say I am average build for a guy and am torn between the versatile and the ultra light as far as fit. I want room to move, while not giving up heat. My only concern is that the versatile would be too warm for me as I tend to be a warmer sleeper.

      3 season trips mostly. I am going on a Winds River trip in Wyoming at the beginning of Sep and this was my main reason for getting a new bag. I really want to get the Alpinlite bag but they are not in stuck and not sure if they will be in time for me to order one before I leave.

      Looking to pick this bag up in the 5'6" size. Any thoughts on when the next order will be?


      We currently have the right zip version of the 5'6'' length in stock. Is this the zipper side you're looking for?

      Shoot me an email anytime you have questions!

      Jared D.

      Expert Gearhead


      I own this bag and planing a winter backcountry trip. Temps are going to be around -5F and I wonder if Reactor liner of claimed 20F added comfort will be suffice. Should I get some VBL? Thank you!

      Best Answer

      At those temps, with this bag, I'd take three approaches, and in neither case would I rely on a bag liner:

      1) I'd plan to wear some insulating clothing to bed... more than a baselayer.

      2) I'd pay particular attention to what's under me. I recommend heavy mil plastic for vapor barrier, then a layer of reflectex (but it at home depot), and then an insulating mattress of some type (either close cell foam or something like a Thermarest X-therm).

      3) If I could, I'd avoid sleeping in a tent and instead I'd build a debris hut or quinzee insulated with snow. You'll get about 15-25 degrees of warmth out of a proper snow shelter.

      As for VBLs I have no experience with them, but I think there's a reason why they are so rare. If they work, and you're warm, all's well. If they don't work, you're wet... and that can lead to a very bad place very quickly.

      One "backup plan" that I often keep in mind is a couple mylar blankets. Very light insurance policy. If I experience temps way colder than I planned for, I will cover my sleeping bag with a mylar blanket; this means that my bag will be damp by the morning though, so I do it only when I am confident I will have a chance to dry out (or bug out).

      Be careful about closely parsing temperature ratings. I have had this bag for three years. It is a high quality item, it packs small and it lofts very high. I sleep cold and I start to get uncomfortable in this bag at 25 degrees even when I wear my puffy and long underwear. For me, and this is just me, I would wear my down pants and heavier down jacket not my puffy, and make sure the pad R-value was high, to take this bag into -5 degrees. Main point, even though the consensus is the Western Mountaineering gives "honest" ratings, those ratings are only a helpful baseline, but you still need to know how warm and cold you sleep. And when you look at less reliable manufacturers who make similar claims of warmth with less fill weight and inferior down, it gets even more risky trusting what you read.

      Whether or not a bag will keep you warm to a specific temperature is extremely subjective. We all work differently. That all said, if you plan properly you may not be super comfy at those temps but you will not freeze either. My system would be the SOL sport utility blanket on the ground. This adds a vapor barrier and provides heat reflection like a space blanket. Than I use an insulated pad, think Thermarest Neoair Xtherm. Bag liners do not add that much warmth. For the weight of the Reactor liner I would rather have lightly insulated booties or a jacket. Wear a wool beanie, gloves and sock along with something extra on your core and feet. Like I said, its personal but you will certainly not be in any danger with that system. Ps, I have this bag and sleep comfy down to 0ish degrees providing I am well hydrated and fed before bed. I'm 5'10 215lbs.

      Hello from Spain. After being focused on...

      Hello from Spain. After being focused on a couple of european brands, I have learned bout WM bags. Looks like this is a serious option as far as Weight to warmth ratio is concerned and also in terms of quality and I am really thinking of buying it on my next trip to the US. The only concern being the outer shell, as I live in an island and high moisture is always present at night, which shows on the sleeping bag in the morning... Any comments about it? Thanks.

      Hey Jaime,

      This bag uses a Pertex shell material, which is highly water resistant even though there is no membrane on the shell material. Pertex essentially uses a thinner synthetic fiber and are able to get a tighter weave which allows the bag to repel moisture while staying breathable. I've seen the WM sales rep pour a glass of water onto their bags and try to rub it into the shell. When turned over the water just ran off the side of the bag.

      I'm 5'6 155 lbs. What size should I get?...

      I'm 5'6 155 lbs. What size should I get? thanks!

      I'm 6ft 1" - would I best with a long?

      I'm 6ft 1" - would I best with a long?

      Best Answer

      The Regular and the long in this model are the same length, although the width and shoulder width are an inch or so larger in the long. I own a Western Mountaineering bag and I got the long because i enjoy a little breathing room in my bags. I'm 6'2 by the way.

      Ryan, that is incorrect, the regular is 6' and the long is 6'6", so they are not the same length. has the specs listed wrong. (I'll notify them.)

      To the OP, I would suggest going with the long. Being a little over 6' means you will be stretching the bag out too much, and will compress some of the insulation around the head and feet, which is not ideal. The long version is what you need.

      Hello -- I am a 5ft 5in woman. Should I...

      Hello -- I am a 5ft 5in woman. Should I get the 5ft 6in bag or go up to the 6ft? I know it's important to have space in your bag especially in colder temperatures. I will be using the bag in mostly colder temps, around 20 and below. Any advice? Thanks!

      Hi. I am writing from Japan. I understand...

      Hi. I am writing from Japan. I understand you have some ristriction to ship Western Mountaineering products to Japan in your policy. Actually I plan to visit San Francisco, CA during March 23 and 27. Is it possible to ship your marchandise to the Hotel (I wll stay at Hotel NIKKO San Franisco), if I settle my payment? I also want to know the size which fits me best. I am 5ft and 8 in. tall. I appreciate it if you respond my question ASAP. Thank you all.

      Best Answer


      For your height, you'll want the Regular size.

      If BC is unable to ship the bag to your hotel, I live about 60 miles north of SF. I'm not certain if your itinerary allows for the time to pick it up it or not, but I would be happy to allow you to have your sleeping bag delivered to my brother's house in Sausalito, just on the other side of the Golden Gate Bridge from SF. If this becomes necessary, please don't hesitate to contact me with your email address via a reply to my answer on this page.

      I know the question can be asked a lot,...

      I know the question can be asked a lot, but Right Zip means, laying down, its on MY right? This is important cause I'll be using it in a Black Diamond Bivy, which has the tiny right zipper.

      As Deon said, you are right.

      Being right-handed I find left-zip bags, as do many others, easier to manipulate. Although a little practice will develop the muscle memory needed to negate any real inconvenience of which side the zipper is on.

      i am 6' tall,could i fit into the 6'...

      i am 6' tall,could i fit into the 6' Versalite?

      Kate is right, 6"-0" is max user height. I'm the same height as you and I find the 6'-6" a much more comfortable length- let's me hunker in or stash my clothing down in the foot box without having my feet jammed up.

      Im 6'1 & have 2 WM 6' bags and i fit fine, not a tight fit at all.(i was worried about this as well before i bought)

      I have 2 long bags (6'6") from other manufacturers as well and i swim in them-wasted space and just more weight to carry

      I'm going to pull the trigger on a 6' WM...

      I'm going to pull the trigger on a 6' WM Versalite bag and want a Sea to Summit dry sack. Can anyone recommend the size of sack needed?

      The volume of the supplied stuff sack is 753.6 cubic inches, or 12.35 liters. And since WM—along with the common consensus among other down bag manufacturers—recommends against over compressing the bag, which can damage the down, I wouldn't get an 8 liter stuff/compression sack. That is around the size supplied for my summer bag, a WM 6' Caribou, which has half the down filling. You would find it rather difficult to compression the Versalite to that volume without unnecessarily cinching down on compression straps.

      If I may suggest an alternative, which is what I do with both my Versalite and Caribou, is to get a larger dry pack liner. Once you have lined your pack you can stuff the bag in the bottom to fill the lower-end volume, and then begin to pack the rest of your non-liquid items in accordingly. Then, once you have packed and sealed the dry bag, place your extra water, fuel, trash, or other liquids outside the pack liner. This will provide a barrier for all the other pack contents, supplementarily fill dead space in your pack, and shave a small bit of weight by avoiding the stuff sack.

      I personally like the OR Ultralight Dry Pack Liner.

      Does anyone know how to get the extra 2oz...

      Does anyone know how to get the extra 2oz fill from Western Mountaineering? How do you contact them? I searched on their website, but I can't find anything about sending them my bag...



      Usually, they'd like it if you go through a store, but being, it's a little difficult so you can probably just go through them to get an overfill. Give them a call and ask!

      Hope this helps!

      used the above info to call them (number is not generally published i was told) and visit store back in Nov '12; took 3 bags in to get the overfill-got a detailed personalised tour of their operations; helpful and friendly service, told me that generally people just send in the items with instructions on what they want, rarely get visitors for service more than a couple time a year. process was complete in about an hour; overfill pricing is bag dependent and ranged from $30 to $80 (bag design/stitching was more intensive labor-wise to access)