With a unique Spoon shape adding room at the elbows and knees, the Nemo Men's Disco 30-Degree Down Sleeping Bag is a three-season down men's backpacking bag that is designed for side sleepers, and allows you to shift positions throughout the night. Classic Spoon shape adds room at elbows & knees for versatile comfort 100% Responsible Down Standard (Rds) Certified traceable down Waterproof/breathable footbox protects from tent condensation, keeping feet warm & dry Blanket Fold external draft collar provides tuck-in comfort Thermo Gills allow you to vent body heat without letting cold drafts in Full-length double-slider YKK zipper Integrated pillow pocket Opposite-sided zippers increase versatility Lifetime warranty against manufacturer defects