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Bivy Suit

4.628571428571429 out of 5 stars
35 Reviews
Color:Dark Olive/Green Moss


Size Chart


Why We Built The Stoic Bivy Suit

Designed for campers who want to explore their camp's surroundings without leaving the warmth of a sleeping bag, the Bivy Suit from Stoic is one of our best creations yet. We crafted this one-piece sleeping bag suit so that we really never have to take it off, thanks to the cooling two-way front zip and zippered thigh vents, and the pullover hand and feet covers that retain extra warmth when we need it. Because this innovation has become such a popular style, we extended the sizing so even more adventurers can appreciate the Bivy Suit's toasty cocoon.


  • Sleeping bag bodysuit redefines camping in comfort
  • Midweight synthetic insulation ideal for temps from 20 - 40F
  • Internal chest pocket secures our phone and keeps it warm
  • Pullover elastic booties and gloves come in handy for chilly nights
  • DWR treatment fends off moisture from light rain or snow
  • Expanded size offerings and drawcord-adjustable cuffs for the perfect fit
  • 2-way zipper provides ventilation and a convenient bathroom solution
  • Pair with the Stoic Puffer Bootie for all-around cozy coverage
  • Item #SICZ2PQ
20D nylon ripstop, DWR treatment
120g synthetic
one-piece suit
half-length, two-way
Max User Height
[small/medium] 5ft 9in, [large/x-large] 6ft 6in
[external] 1 split kangaroo, [internal] 1 zippered chest
Pad Retainer
2 leg zippers
Stuff Sack
Claimed Weight
3lb 9oz
weekend camping, casual
Manufacturer Warranty
limited lifetime

Overall Rating

4.5 based on 35 ratings

Review Summary

1 Stars - 1 reviews
2 Stars - 1 reviews
3 Stars - 1 reviews
4 Stars - 4 reviews
5 Stars - 28 reviews

Fits Slightly Large

Screen reader users: the following list provides a visual scale to illustrate the product fit. Please refer to the heading above for the fit type in text.
Runs smallTrue to sizeRuns large

What do you think about this product?


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5 out of 5 stars

July 1, 2024

Great for cold weather

I've used it once or twice and have initial impressions
Size Bought:

Bought 2 of these suits on sale, one to sleep in and lounge around the house in winter. The other I will use for outdoor activities in cold weather. Have tried 2 other brands of similar suits, but I like this one the best. It is roomy, warm and comfortable. I am 5ft 9in 150 lbs and the s/m fits well with some room to spare.

5 out of 5 stars

June 25, 2024

So warm!

I've used it several times
Size Bought:

This thing is awesome! I bought it to wear to my kid’s spring softball and baseball games here in Montana. I’m 5’2, 125lbs and the xxs/xs is roomy but fits fine. My daughter plans to use it during hunting season on those super cold mornings when she is posted up in a field and waiting for a deer.

5 out of 5 stars

June 24, 2024

Keeps you warm

I gave it as a gift but have feedback to share
Size Bought:

Got this for my MIL, as she is always wearing thermals. She used it that first night at a lake near Yosemite, and she loved it. She was toasty warm.

user image
Paula mummy
5 out of 5 stars

April 16, 2024

So warm

I've used it once or twice and have initial impressions
Size Bought:

I bought this for camping, the always cold and windy softball games, and other cold events. I’m 5’4”, I bought an XS/S it’s a bit too long but you can pinch the ankles tight with the built in bungees. The arms are also a bit long but I like that it easily folds over my hands. You can easily wear pants and a hoody underneath this but I’d only do that for very cold temperatures. I tried it inside while WFH and I overheated. I suspect this is built for men even though the pics show a man and a woman. I love this item already and can’t wait to be too warm for a change.

5 out of 5 stars

March 22, 2024

Very nice.. for the right situation.

Size Bought:

It’s like a gingerbread man sleeping bag. Great to lounge around and be cozy in. I wouldn’t go for hikes in it. I wouldn’t cook a culinary masterpiece. I’m 5’8, 130 and the SMALL is roomy, with very long arms and legs. I fold them up when walking. But the torso fits well, so go figure. For $100, I totally dig it. Use it for comfy cozy hang time. Not take over the world time. Oh, it’s super soft and light, but warm as hell!

5 out of 5 stars

February 26, 2024

Warm and fun? Yes! Flattering?Who cares!

I've used it several times
Size Bought:

I love my bivy suit! I’m a daily recreational walker and have worn this on many sub-zero New England days with only a base layer under and have been toasty warm. I have received some side eye, but those people sure looked cold.

5 out of 5 stars

February 21, 2024

Game changer for cold weather camping

I've used it once or twice and have initial impressions
Size Bought:
5' 6"

I bought this to go camping in cold weather, to use with another traditional sleeping bag. It is great for that use; as soon as it got cold, wearing this suit was instant full body warmth.

4 out of 5 stars

February 9, 2024

Almost perfect

I've used it once or twice and have initial impressions
Size Bought:
5' 8"

My main reason for ordering this is to stay warm while working from home and saving on my electric bill. I just received it today and so far, so good! It’s very warm. My only issue is with the sizing. I read all of the reviews and most state it’s too large, while others say it’s true to size. I’m a 5’8” woman and am pretty thin. I have a long torso and average length legs. I first ordered the XXS/XS based on the reviews. It fit but was too tight in the crotch when I sat down. Not horribly but enough where I would need to be constantly pulling the legs down in order to be comfortable. It was also impossible to fit the feet covers over my feet. I exchanged for the S/M and the legs and arms are too long but no issues in the torso length. It’s still pretty difficult to fit the feet covers over my feet, but I don’t think I’ll ever actually use them. In order for the legs not to drag on the ground, I have to tighten the elastic and cuff them. I also have to cuff the arms, because they’re so long, but I would’ve had to do that with the smaller size, as well. Someone shared a picture of their 6ft boyfriend wearing the extra small, which is partly why I first went with the smaller size, and I’ll say just because it technically fits doesn’t make it comfortable. I’m glad I went with the larger size because I’d rather it be baggy and comfortable than better fitting and uncomfortable.

Kaitlin L
5 out of 5 stars

January 20, 2024

Snow shoveling will never be the same

I've used it once or twice and have initial impressions
Size Bought:
6' 2"

Just received the suit today and here are my thoughts: * Insanely roomy, beyond baggy, but I think that is a plus, since I planned to use it to shovel snow and maybe take a short jaunt while it's wintery. Probably the ultimate apres skiing onesie. *Very comfy, like wearing a thermal marshmallow, and despite threats from a spouse or other loved one to never go out with you in public while wearing the suit, it's quite a winter fashion statement. BTW, the stretch limo color comes off as a beautiful dark, dark, navy. *Field tested the suit today by shoveling the driveway at 20 degrees (10 degrees with 16 mph windchill), and I was as cozy as could be. Had to fight the urge to just dive into a snow bank, but will eventually have to do that to test the water resistance. *Buy the suit! Just look at the models in the photos, they are happy, and I probably had the same grin as I was powering through my snow shoveling chore, you will too :)

Rob A
Will WGearhead
5 out of 5 stars

January 17, 2024

Life Saver

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

Power went out for 3 days in OR, temps were sub 20 in the house. This suit kept me from realizing that it was actually cold and that I was dumb for not seeking proper shelter. Great for camping in cold weather or as a backup survival item in severe weather.