SUSTAINABILITY: 100% recycled polyester shell and lining fabric for helping the environment Unique blend of 100% recycled fibers provides maximum warmth, soft feel, and extra loft STORAGE: Compression stuff sack Storage bag (not included) DESIGN & DETAILS: Combination wave construction top provides thick loft and warmth while blanket construction bottom offers high-warmth temperatures and comfort under body Synthetic insulation provides a unique blend of 3 fibers for strong warmth, softness, and high loft 3D hood construction keeps head comfortable Anatomically 3D footbox increases the insulation and room for your feet for added warmth and comfort Snagless insulated draft tube Maintains warmth in 20deg F Fold-down second zipper provides added ventilation and easy access while main zipper and anti-snag slider reduces snagging Durable tear strength fabric Lightweight for easy travel Mummy shape External stash pocket provides quick-grab storage 2 hang loops make drying easy in case of rain water while providing quick storage that keeps the ground available EN tested for warmth PFC-free