Big Agnes Sidewinder 20F/7C Long Chinois Green/Mercury/Evening Primrose

Specifically designed for the over 60% of people who sleep on their sides, the second generation of our patented Sidewinder side sleeper technology ensures warmth, comfort, and ease of use in any position you settle into. Constructed for comfort, with additional body mapped insulation to optimize warmth where you need it and provide cushioning and support at the hips and shoulders, easing pressure points and other ‘side effects’. The Sidewinder is a side sleeper’s dream bag with technical features that roll seamlessly from one adventure to the next, and from one side to the other at night.

Features

Second generation side sleeper technology: designed for people who sleep on their sides with a technical fit, patterned to move with you as you roll from one side to the other

Optimized profile and thermally efficient footbox is patterned to mimic body position while lying on your side

Down fill with a water-repellent finish throughout the bag provides lofty warmth

Strategically placed synthetic insulation to provide padding and pressure relief at the knees, hips, and shoulders

Close fitting, jacket-style hood keeps insulation close to the body without sacrificing mobility

Keep pillow in place with unique Pillow Barn made of stretch mesh material with interior access from either side for easy adjustment

Smooth, quick zip with anti-snag 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

Storage sack & stuff sack included

Specs

Total Weight: 1.23kg

ISO Comfort: -1°

CISO Limit: -7°C

Total Fill Weight: 470g Down + 200g Synthetic

Compressed Bag Size: 27 x 22cm

Stuff Sack Size: 14L 20 x 44cm

Max User Height: 198cm

Recommended Pad Size: Works with any pad size or style

Shoulder Girth: 165cm

Hip Girth: 150cm

Foot Girth: 102cm

Materials

Shell: Recycled polyester ripstop featuring a water-repellent finish without intentionally added PFAS chemicals

Lining: Recycled polyester taffeta featuring a water-repellent finish without intentionally added PFAS

Primary Fill: 650 fill Downtek™ PFC-Free repels water while maintaining insulating value, with bluesign® Certified water-repellent chemistry

Body Mapped Fill: FireLine™ ECO Synthetic Insulation, 100% post-consumer recycled polyester, featuring low-denier fibers that are tightly woven and provide high loft, compressibility, high weight-to-warmth ratio, and durability