GI 4-Piece Modular Sleep System (MSS)

Tennier Industries

  • $449.99
Shipping calculated at checkout.



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.


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