Perfect for summer trips, couch surfing, music festivals, after snowboarding, surfing, or any other activity that brings your core temp down. Hike it up to your waist, cinch it, wear it like a coat around the campsite, and crawl back into your tent all without ever leaving your cozy, warm Napsack. S: 23"w x 63"h M: 28"w 76"h L: 31"w x 85"h XL: 37"w x 91"h Features: Ideal weight for summer camping outdoors or winter couch surfing Fully Reversible Sleep, Lounge, and Walk modes. Zippered shoulders allow the free use of your arms in Lounge mode Drawcord bottom can be cinched shut for Sleep mode Cinch drawcord at waist for Walk mode Handwarmer pockets and 4"x 5" accessory pockets on each side Recycled Thermastuff synthetic insulation Recycled soft synthetic micro fiber body Rated to approx. 50 degrees Fahrenheit Poler Reversible Napsack Sleeping Bag