Big Agnes Greystone 20deg Sleeping Bag Snug As A Bug In A Rug The award-winning Greystone 20deg Sleeping Bag speaks for itself. It's perfect for any adventure, from backcountry living to backyard sleepovers. Made with lightweight, recycled materials, this mummy-style bag has 600 fill insulation, and water-repellent coating to keep you dry for whatever the elements bring. It's easy to fit inside your pack, designed to provide maximum warmth and take up minimal space. Whether you need a reliable thru-hiking bag for weeks under the stars or a sleeping set-up for living out of your van, you'll sleep through the night in cozy comfort so you can wake up refreshed for the next day of exploring. Features Designed for heat-retention with mummy design and synthetic fill Keeps the cold drafts out with oversized collar and cinched hood Water-repellent coating keeps you dry, with exterior loops for hanging between use All-gender fit that's technical, lightweight, and compressible for your adventures Two-way zipper on left side that can be connected to Big Agnes right-side-zip bags for sharing warmth For colder nights, interior loops can secure a liner MFG#: BTMG20LL23SPECIFICATIONSIntended Use Backpacking, Camping Height Capacity Regular / Long (check size chart)Degree Rating3 season Fill600 Down Trek Material Recycled polyester ripstop, PFAS-free water repellent Capacity1 person Comfort Degree28deg F / -2deg CLimit Degree16deg F / -9deg CExtreme Degree-17deg F / -27deg CSizing Size Regular - Fits up to 6'Long - Fits up to 6' 6"Weight (g / oz)1. 02 kg / 2 lbs 4 oz1. 11 kg / 2 lbs 7 oz Packed Dimensions (in)8. 5" x 8. 5"9" x 9"Girth (Shoulder, Hip, Foot Box) (in)60", 54", 36"63", 57", 39" | Big Agnes | Greystone 20deg Sleeping Bag | Polyester