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Groundwork Sleeping Bag: 20F Synthetic

4.045454545454546 out of 5 stars
22 Reviews
Current price: $47.40 Original price: $79.00
40% off
Color:Dark Olive/Green Moss



Why We Built The Groundwork Sleeping Bag

We made the Groundwork Sleeping Bag because comfort is the foundation of a happy camper. This comfy bag delivers reliable warmth no matter the weather, and it's light enough to go the distance in case we're looking at a river trip or decent length trek in our future.


  • A lightweight sleeping bag for cool nights in the backcountry
  • Water-repellent treatment shakes off light dirt and moisture
  • Soft fabrics offer next-to-skin comfort after a long day
  • Synthetic fill won't let you down if the weather is wet
  • Lofty draft collar and hood feel comfy on chilly nights
  • Item #SICZ2DR
[face fabric] 20D mini ripstop nylon, DWR finish, [lining] 20D plain weave nylon
Thermolite Synthetic
Max User Height
Shoulder Circumference
Hip Circumference
Foot Circumference
Bag Length
Draft Tube
hook-and-loop stash pocket
Pad Retainer
European Norm/ISO Comfort Rating
European Norm/ISO Lower Limit Rating
Stuff Sack
Stuff Size
15.5 x 10in
Claimed Weight
3lb 3.2oz
Manufacturer Warranty
limited lifetime

Overall Rating

4 based on 22 ratings

Review Summary

1 Stars - 1 reviews
2 Stars - 3 reviews
3 Stars - 2 reviews
4 Stars - 4 reviews
5 Stars - 12 reviews

Fits True To Size

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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2 out of 5 stars

December 11, 2023

You'll freeze.

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

Used this to car camp for a few days in Telluride this Fall. The temperature got down into the 30s. Idk if you all are sitting around a camp fire giving these reviews but I'd trust Big Foot over this "20°F" sleeping bag. I froze my buns off even after layering myself up as a 5 layer bean burrito. Absolutely useless.

vol4220826 v
5 out of 5 stars

October 30, 2023

Great Bag

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

Just used these over two nights in the mountains of wv. It was a bit chilly under 35 but overall great bag. We were sweating above 45 degrees. Good quality and packs up nice.

Scott T
5 out of 5 stars

October 15, 2023

Great bag, great price

I've put it through the wringer

Have used this and the 0 bag many times with no issues! Super comfy and warm. Just cant beat the price. Stoic is quickly taking over my gear closet...

Conor H
4 out of 5 stars

September 6, 2023

Never felt a softer bag

I've used it once or twice and have initial impressions
Size Bought:
One size
5' 4"

I bought this for my girlfriend she loves how soft it is.she used it in low 40s and kept it unzipped about 4 inches at the feet.this bag is plenty warm. This bag is longer than stated when compared to my 86 inch long bag it was about 2 inches shorter..the width is smaller than stated and she felt a little confined. She wished it came in wide.

Leon B
4 out of 5 stars

May 16, 2023

Comfy and warm

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

Very comfy and very warm. Feels good quality, might not last forever but I don’t use it that often. Definitely could use in colder temp camping and stay warm! Also plenty of room inside for my legs. Definitely doesn’t pack up small, but I mostly just car camp so fine for me.

Brooke A
2 out of 5 stars

April 6, 2023


I returned this product before using it

I purchased this (can't deny that price!) for backpacking. It's massive. It would fill half of my 45L backpack. It seems warm and soft, but better for camping.

Liv A
2 out of 5 stars

February 22, 2023

I was cold all night

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

I was really hoping based off other reviews I would be warm, I had on three layers and my coat, a sleeping pad underneath and I was shivering the whole night, the low was 35F, also the zipper got stuck every time I zipped or unzipped this. Pretty disappointed in it but it's not like it was super pricey so I guess you get what you pay for!

Kimberly M
5 out of 5 stars

December 7, 2022

Great cold weather bag

I've used it several times

Used this bag in grand canyon, and moab got down to the teens at night and I was cozy throughout.

Adam C
4 out of 5 stars

November 18, 2022

Great for the price!

6' 2"

I took this overlanding and used it in my roof top tent. Stayed nice and warm in 40F temps. I'm pretty skinny so this worked well for me. For $40 its hard to beat it.

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