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Big Agnes Sidewinder SL 35 Sleeping Bag - Women's

sku# 188574
Big Agnes - Sidewinder SL 35 Sleeping Bag - Women'sBig Agnes - Sidewinder SL 35 Sleeping Bag - Women'sBig Agnes - Sidewinder SL 35 Sleeping Bag - Women's
Model Info


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Product Info

The Big Agnes Sidewinder SL 35 Sleeping Bag is a fast and light backpacking bag for side sleepers. Weighing in at just a hair over two pounds, this highly compressible bag is built for the trail. Its unique design offers comfort and versatility that traditional mummy bags simply don't. The side-facing hood and ambidextrous zipper allow for maximum comfort and ease of use on either side, or even switching sides throughout the night.

Product Details


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

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


650 fill DownTek™ Primary FillWater repellent down that uses a PFC-Free, bluesign™ approved chemistry.

FireLine™ ECO Synthetic Body Mapped Fill100% 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 WeightPetite: 2lb 1oz / 936g | Regular: 2lb 3oz / 992g

Fill WeightPetite: 16.5oz / 466g | Regular: 19oz / 533g

Compressed Bag SizePetite: 5.5" x 6.5" / 14 x 16cm | Regular: 6" x 7.5" / 15 x 19cm

Stuff Sack SizePetite: 8" x 17.5" / 20 x 45cm | Regular: 8" x 17.5" / 20 x 45cm

Shoulder GirthPetite: 56" / 142cm | Regular: 58" / 147cm

Hip GirthPetite: 54" / 137cm | Regular: 56" / 142cm

Foot GirthPetite: 31" / 79cm | Regular: 33" / 84cm


Women's Specific FitDesigned to contour to your figure for the most thermally efficient and comfortable night's sleep.

Pillow BarnKeeps your pillow tucked in tight all night.

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

Comfortable Jacket-style Hood Opening That Contours to the Shape of Your Face for a Snug Fit

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

Optimized Warmth and Minimized Pressure Points with Body Mapped Insulation

Seal out Drafts by Cinching Insulated Tube along Upper Hood Opening

Patterned to Move with You as You Roll from One Side to the Other

Hang Dry or Store Bags with Exterior Loops

Storage Sack & Stuff Sack Included


  • Insulation: Down, Synthetic
  • Temperature Rating: 35
  • Shape: Mummy
  • Stuff Sack Size: 8 x 17.5"
  • Warranty: Limited Lifetime
Size Petite Regular
Length Short Regular
Zipper Location Left Side, Right Side Left Side, Right Side
Max User Height 5'5" 5'10"
Weight (lbs) 2.06 2.18
Weight (g) 936 992

Other Notes

Big Agnes products can only be shipped within the United States



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