This Intermediate Cold Weather Sleeping Bag is part of the Improved Military Sleeping System (IMSS). Rated for temperatures between 30° to -10° when used alone, it is the ideal sleeping bag to take along when you are headed outdoors in colder climates Free from cold spots Dimensions 87.00" x 35.50" Rated for temperatures to -10° Insulation does not migrate in the bag Anatomically designed foot box contains twice the insulation as the bag Hood adjusts for heat retention; includes nylon draw-cord and barrel lock Sewn-in, quilted chest collar prevents air drafts up and down through the hood US Military Genuine Issue Proudly Made in the USA NSN: 8465-01-547-2694 (Urban Grey) It can also be used in drafty buildings, in cabins, or as a comfortable, warm climate sleeping pad. It is constructed of water-resistant ripstop nylon and features double insulation in the foot box to prevent common cold spots.