Kelty Climashield Combat Sleeping back and stuff sack. Finish Size: 36×83 Mummy Style. Outer Material 100% Nylon. Liner Material 100% Nylon. Made in the USA. Varicom Delta +30 Reg. The Delta sleeping bag features Enhanced Situational Awareness (ESA) hood, which reduces sound blocking around the ears and gives military operators the edge they need when sleeping in hostile conditions. Oversized rectangular footbox for use with “boots on”. Secondary closure system for quick exit and egress, designed for cold weather use with “gloves on, ” full-length insulated draft tube, color-coded zipper pulls and drawcords.