The Napsack has zippers at the shoulders,to stick your arms out, and a cinch at the bottom so that you can open it up and stick your legs out. Hike it up to your waist, cinch it, and wear it like a puffa jacket around the campfire, and then crawl right back into your tent without ever having to leave the warmth of your bag. The chest pocket fits a phone and has a pass through hole for your headphones to run internally.There are also side pockets . The Knapsack packs up in the stuff sack . Sizing:
Small: 55″ body, 14″ hood, 17.5″ wide at shoulders
Fabrication: Synthetic. Soft Microfiber body, leather tabs to cinch the hood. Rated to approximately 50 degrees.