Poler Men's Napsack Wearable Sleeping Bag 2 100% Nylon Imported Machine Wash Hike it up to your waist, cinch it and wear it like a coat around the campfire then crawl back into your tent or car without ever having to leave the warmth of your bag also features zippered sleeve openings Therma stuff insulation/soft microfiber body/leather cinch tabs/rated to approx 50 degrees Sizing: XL fits up to 6-feet 8-inch tall, L fits up to 6-feet 3-inch tall, M fits up to 5-feet 8-inch tall, S fits up to 5-feet 0-inch tall