The 4-Piece Modular Sleep System is indispensable when you are camping, hiking, or simply needing a high-quality sleep system, offering incredible warmth from cool to extremely cold temperatures. These 4-pieces form a winning comfort equation--offering Extreme Comfort in Extreme Cold temperatures. This system is Used Like New Condition. Black Intermediate Bag NSN: 8465-01-398-0687 Temperatures to -10° Free from cold spots 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 DIMENSIONS: 87.00" x 35.50" Camo Green Patrol Bag NSN: 8465-01-398-0685 Temperatures to +30° Draft flap prevents heat loss Non-locking slide fastener self-repairs if jammed or snagged Hood adjusts for heat retention; includes nylon drawcord and barrel lock Reversible double-pull (opens end to end) slider allows top or bottom ventilation DIMENSIONS: 92.00" x 37.00" Woodland Camouflage Waterproof Bivy Cover NSN: 8465-01-416-8517 Includes snap fastener and slide fastener Made from waterproof, moisture-vapor-permeable material with all seams heat-sealed DIMENSIONS: 85.00" x 28.00" x 35.00" 9-Strap Black Stuff Sack NSN: 8465-01-398-5428 Compressible to one cubic foot Constructed of water-resistant materials Nylon drawcord closure with a barrel lock Six 1"-wide nylon webbing straps adjusted by ladder lock buckles Reinforcement webbing is sewn around the circumference of the bag DIMENSIONS: 30.00" x 14.00" Entire System NSN: 8465-01-445-6274