GI 4-Piece Modular Sleep System (MSS)

The 4-Part Modular Sleep System sleeping bags and components are indispensable when you are camping, hiking, or simply needing a high-quality sleep system, providing warmth from cool to extremely cold temperatures.

These 4-pieces form a winning equation for comfort and protection—offering extreme comfort in extreme cold temperatures.

Black Intermediate Bag

NSN: 8465-01-398-0687

• Rated for temperatures down 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

• Rated for temperatures down 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

• Made from waterproof, moisture-vapor-permeable material
• Heat-sealed seams
• Snap fastener and slide fastener closure
• 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

All four pieces were manufactured in the USA and designed to work flawlessly with each other to provide warmth in temperatures ranging from 50ºF to -30ºF when the user is wearing layers of extremely cold weather clothing. If you spend much time outdoors in extreme cold, this high-performance sleep system will pay for itself repeatedly. You can purchase this system brand new or used.