You are looking at the USGI Intermediate Cold Weather Sleeping bag Modular Sleep System that the military uses. Multiple sets available. They are in good shape, serviceable and free of holes, tears, stains and missing parts.
Intermediate Cold Weather Bag is rated for temperatures 30 to -10Â°. Sewn insulation does not migrate in the bag. Anatomically designed foot box contains twice the insulation as the bag. Sewn-in, quilted chest collar prevents air drafts up and down through the hood. Hood adjusts for heat retention; includes nylon drawcord and barrel lock. Measures 81-83Â" Long and 34-36Â" Wide (21 to 23Â" at foot)
Link up point would at the Home Depot on Bandera and 1604.