Big Agnes  Sidewinder Camp 35 Sleeping Bag

$100.73Compared to $169.95* Save 40%
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Made for warmer-weather outings, the Big Agnes Sidewinder Camp 35 sleeping bag promises comfort with a cocoon-style pattern that wraps you in coziness and a relaxed fit that's ideal for side sleepers.

Color: Indigo/Gray
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Features

  • Specifically designed for people who sleep on their sides
  • Plush and relaxed cocoon-style pattern creates a unique fit, keeping insulation close to the body to prevent cold air pockets
  • Improved shell fabric and lining with PFC-free water-repellent finish
  • Drapes around the body to mimic your quilt at home with a 2-layer, blanket-style quilting
  • Creates a cozy, 360° wrap with integrated hood, draft collar and hand pouches
  • Pillow (not included) stays in place, tucked inside of the wrap for easy adjustment
  • Optimized fit and thermally efficient footbox is patterned to mimic the shape of your foot position while lying on your side
  • Smooth, quick zip with antisnag locking zipper with no-draft zipper garage and long, ambidextrous zipper
  • Easily adjust hood without unzipping using low-profile internal cordlock access
  • Seal out drafts by cinching insulated tube along upper hood opening
  • Hang dry or store the bag with exterior loops
  • Stuff sack included

Imported.

View all Big Agnes Camping Sleeping Bags

Technical Specs

Best Use

Camping

Temperature Rating (F)

35 degrees (F)

Temperature Rating (C)

-2 degrees (C)

Weight

Regular: 2 lbs. 10 oz.

Long: 2 lbs. 13 oz.

Shell

Ripstop nylon featuring a PFC-free water-repellent finish

Zipper Location

Front

Insulation Type

Synthetic

Fill

FireLine ECO 100% postconsumer recycled polyester

Fill Weight

Regular: 1 lb. 12 oz.

Long: 1 lb. 15 oz.

Sleeping Capacity

1-person

Lining

Polyester taffeta featuring a PFC-free water-repellent finish

Sleeping Bag Shape

Mummy

Fits Up To (in.)

Regular: 72 inches

Long: 78 inches

Shoulder Girth (in.)

Regular: 62 inches

Long: 66 inches

Hip Girth (in.)

Regular: 58 inches

Long: 62 inches

Stuff Sack Size

8 x 17.5 inches

Stuff Sack Volume

31.5 liters

Gender

Unisex

Sustainability

Contains recycled materials

Reviews
8 reviews with an average rating of 4.3 out of 5 stars

Ratings Snapshot

Product Rating

3 out of 3 (100%) reviewers recommend this product

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kenj
Rated 5.0 out of 5 stars

I couldn't camp without this!

2 months ago

So I wanted to try camping and got the standard 'mummy' bag, which I soon discovered that I can't sleep lying on my back like a corpse in a casket - or a mummy. So, bless REI's big heart, they allowed me to exchange my straight-jacket mummy bag for this and what a difference! I sleep better outdoors in this than I do in my own bed for some reason. It stuffs easily in its own stuff-bag as well. Five stars!

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FitDoc
Rated 5.0 out of 5 stars

Excellent for side sleeper

3 days ago

Used this bag on a short backpacking trip. Although it's not down, it packed small enough to fit in my Osprey pack. It has the best zipper guard to avoid snagging I have seen with all my other bags. On one night when I had a surprise temperature drop to 48 degrees, I was surprised as the bag kept me perfectly warm. The "hood" kept a pillow from sliding around. I did sleep on my side much of the time and enjoyed the comfort of this bag. Although I haven't yet used it close to the 35 degree temperature rating, I'm very happy and expect it will be fine.

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Corporate_Salmon
Pasco, WA
Rated 5.0 out of 5 stars

Great synthetic sleeping system

2 weeks ago

I purchased this bag due to being strictly a side sleeping and this bag fits my exact needs. For a synthetic bag, it packs down quite nice. The zippers are high quality, and I had no issues with the zippers ever snagging.

Age:18–24
Yes , I recommend this product
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Tooball
Salina, Kansas
Rated 4.0 out of 5 stars

Good Idea

2 weeks ago

I am a diehard side sleeper and this seems to be a good solution. I have tested at home, it all works as intended. The zipper pull is very different, but this is my first Big Agnes bag. I'll add more after I actuality use it in the wild-only 4 stars until then.

Age:45–54
Yes , I recommend this product
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Jim
Cape Cod
Rated 2.0 out of 5 stars

Important information not included on webpage

1 month ago

The description does not say that it was designed to fit WOMEN

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Animal
Richfield Minnesota
Rated 3.0 out of 5 stars

Just bought it and tried it on for size

3 weeks ago

Can't say much I haven't used it yet

Age:65–74
Yes , I recommend this product
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Anonymous
Rated 5.0 out of 5 stars
1 month ago

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Anonymous
Rated 5.0 out of 5 stars
1 month ago

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