Selk'bag Iron Man Sleeping Bag Insulated hood keeps your head Warm and cushioned The Quick-Release system allows you to bring your hands in and out of the bag The hip zipper allows you to access your pockets or your fly Remove the booties to use your own shoes for walking, or keep them on for sleeping; booties are reinforced with durable nylon Removable booties allow you to wear your own shoes, or keep them on for warm sleeping; booties are reinforced with durable nylon No-hassle hand openings allow you to bring your hands in and out of the bag quickly and effortlessly Velcro pullbacks allow you to roll up your sleeves for care-free use of your hands Sizing: SM (4ft 6in to 5 ft.); MD (4ft 11in to 5ft 6 in); LG (5ft 6in to 5ft 11in); XL (5ft 11in to 6ft 4 in)