Big Agnes Sidewinder 0 650 RDS DownTek Sleeping Bag Chinois Green/Mercury/Evening Primrose Small. 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 sleepers dream bag with technical features that roll seamlessly from one adventure to the next and from one side to the other at night. U.S. Patent 11957260 B5 Specifications for Big Agnes Sidewinder 0 650 RDS DownTek Sleeping Bag: Manufacturer: Big Agnes Color: Chinois Green/Mercury/Evening Primrose Zipper Type: Anti-Snag Locking Zipper Lining Material: Recycled Polyester Taffeta Insulation: 650 Fill DownTek Features of Big Agnes Sidewinder 0 650 RDS DownTek Sleeping Bag 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 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 100percent post-consumer recycled polyester featuring low-denier fibers that are tightly woven and provide high loft compressibility high weight-to-warmth ratio and durability Package Contents: Big Agnes Sidewinder 0 650 RDS DownTek Sleeping Bag Storage sack & stuff sack included Big Agnes BSW0S26: Sidewinder 0 650 RDS DownTek Sleeping Bag Chinois Green/Mercury/Evening Primrose Small