260T Polyester Shell Fabric, Cloudloft Synthetic Insulation Made in the USA J ZIP + SEMI RECTANGULAR: Natural semi-rectangular shape provides a familiar and more roomy sleeping surface compared to mummy bags – perfect for newbies. J shaped zipper lets you stick out a foot at night to control the toasty temps READY FOR COWBOY CAMPING: A night under the stars? No biggie. 260T Polyester shell and liner are equal parts comfortable and weather resistant – the Rambler is ready to rumble and will last season after season BONFIRE BLANKET: Most sleeping bags are one dimensional, but not this puppy. The Rambler 50 can be unzipped completely to form a 2 person blanket for getting cozy outside of bedtime CLOUDLOFT: More than just a made up marketing adjective – the Synthetic Cloudloft insulation on the Rambler was developed by Kelty to provide reliable warmth, cushion, and comfort NITTY GRITTY: 50 degree temperature lower limit rating, fits sleepers up to 6ft, regular size only, fil weight 11.3oz, total weight 2 lbs 12oz, stuffed size 7 x 11 inches, compression straps included