STORAGE: Stash pocket Compression stuff sack DESIGN & DETAILS: Anatomically 3D footbox increases the insulation and room for your feet, for more warmth and comfort SpiraFil high loft insulation adds maximum warmth and durability Combination wave construction top provides maximum loft and warmth while blanket construction bottom offers the best warmth and comfort under your body Main zipper anti-snag slider reduces potential snagging Fold-down second zipper provides added ventilation and easy access Snagless insulated draft tube 3D hood construction "Feely" draw cords 2 hang loops Two-tone solid color design