Big Agnes Spike Lake Sleeping Bag COMPACT SIZE AND SHAPE DESIGNED FOR COMFORT: The Boot Jack is a traditional mummy bag with a contoured hood and designed to feel more like a comforter to bring your bed wherever you are. SPECS: Weight: Bag Weight 2lb 8oz, Fill Weight 19oz. Dimensions: Heights up to 6', Shoulder 60'', Hip Girth 54'', Foot Girth 36'', Stuff Sack Size 8''x17.5'', Compressed Bag Size 7.5''x8.5''. PREMIUM FILL AND PERFECT FOR MID TO COLD TEMPERATURES: DownTek water repellent down insulation to keep you warm and dry for temperatures down to 25 degrees F. COMFORTABLE YET TOUGH: The Boot Jack sleeping bag is created with breathable shell fabric with a water repellent finish. It also features exterior loops for easy cleaning and drying. THE MOTHER OF COMFORT: The outdoors arent just where we get away, it's where our stories are made. Based in the Colorado Rockies, Big Agnes creates innovative solutions that help you get outside, go further into the backcountry, all while being fun and comfortable.