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Big Agnes Sidewinder Camp 35 Sleeping Bag

sku# 188577
Big Agnes - Sidewinder Camp 35 Sleeping BagBig Agnes - Sidewinder Camp 35 Sleeping BagBig Agnes - Sidewinder Camp 35 Sleeping Bag
Model Info


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Product Info

The Big Agnes Sidewinder Camp 35 Sleeping Bag is here to solve all of your side-sleeper problems. This cocoon style bag is built just for side sleepers, with a shaped design, useful hood, and mapped insulation perfectly tailored to the shape of the human body nestled up on one side. It has a blanket-like relaxed fit that makes it best suited for car camps or base camp. It offers tons of comfort for the best night's sleep you've ever had under the stars.

Product Details


Shell FabricNylon Rip-stop Fabric with a Durable Water Repellent (DWR) Finish

Lining Polyester Taffeta with a Durable Water Repellent (DWR) Finish


FireLine™ ECO Synthetic Insulation100% post-consumer recycled polyester. Features low-denier fibers that are tightly woven and provide high loft, compressibility, high weight-to-warmth ratio and durability.


Bag WeightRegular: 2lb 10oz / 1.19kg | Long: 2lb 13oz / 1.28kg

Fill WeightRegular: 28oz / 790g | Long: 31oz / 890g

Compressed Bag SizeRegular: 7.5" x 7.5" / 19 x 19cm | Long: 8" x 9.5" / 20 x 24cm

Stuff Sack SizeRegular: 8" x 17.5" / 20 x 45cm | Long: 8" x 17.5" / 20 x 45cm

Shoulder GirthRegular: 62" / 157cm | Long: 66" / 168cm

Hip GirthRegular: 58" / 147cm | Long: 62" / 157cm

Foot GirthRegular: 38" / 97cm | Long: 42" / 107cm


Cocoon Style BagPlush and relaxed cocoon style pattern creates a unique fit, keeping insulation close to the body to prevent cold air pockets.

Blanket QuiltingDrapes around the body to mimic your quilt at home with a two-layer, blanket style quilting.

Specifically Designed for People Who Sleep on Their Sides

Optimized Fit and Thermally Efficient Footbox Patterned to Mimic the Shape of Your Foot Position While Lying on Your Side

Smooth, Quick Zip with Anti-snag Locking Zipper with No-draft Zipper Garage and Long Ambidextrous Zipper

Creates a Cozy 360° Wrap with Integrated Hood, Draft Collar and Hand Pouches

Easily Adjust Hood without Unzipping Using Low-profile Internal Cordlock Access

Seal out Drafts by Cinching Insulated Tube along Upper Hood Opening

Pillow Stays in Place, Tucked in the Wrap for Easy Adjustment

Hang Dry or Store Bags with Exterior Loops

Storage Sack & Stuff Sack Included


  • Insulation: Synthetic
  • Temperature Rating: 35
  • Shape: Mummy
  • Stuff Sack Size: 8 x 17.5"
  • Warranty: Limited Lifetime
Size Long Regular
Length Long Regular
Zipper Location Left Side, Right Side Left Side, Right Side
Max User Height 6'6" 6'
Weight (lbs) 1.812 2.625
Weight (g) 1280 1190

Other Notes

Big Agnes products can only be shipped within the United States



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