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Big Agnes Sidewinder Camp 20 Sleeping Bag

sku# 188576
Big Agnes - Sidewinder Camp 20 Sleeping BagBig Agnes - Sidewinder Camp 20 Sleeping BagBig Agnes - Sidewinder Camp 20 Sleeping Bag
Model Info


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Product Info

Side sleepers rejoice! The Big Agnes Sidewinder Camp 20 Sleeping Bag is designed just for you. No more uncomfortable tangling in mummy bags meant for people who sleep on their backs. This thing is built for cozy curls with an ambidextrous zipper, less-tapered design, and side-facing hood. The comfortable relaxed fit and cozy 20-degree rating make it the perfect bed for car camping and basecamp.

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 14oz / 1.30kg | Long: 3lb 5oz / 1.50kg

Fill WeightRegular: 35oz / 1.00kg | Long: 40oz / 1.13g

Compressed Bag SizeRegular: 8" x 9" / 20 x 23cm | Long: 9" x 9.5" / 23 x 24cm

Stuff Sack SizeRegular: 9" x 20" / 23 x 51cm | Long: 9" x 20" / 23 x 51cm

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

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

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


Specifically Designed for People Who Sleep on Their Sides

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.

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: 20
  • Shape: Mummy
  • Stuff Sack Size: 9 x 20"
  • 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) 3.31 2.87
Weight (g) 1500 1300

Other Notes

Big Agnes products can only be shipped within the United States



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