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4-Part Modular Sleep System

$453.99 List price:

Government Export Restriction

This item may be regulated for export by the U.S. Department of State or the U.S. Department of Commerce. Please see our Export Policy prior to placing your order.


NSN: 8465-01-445-6274 (4-Part Modular Sleep System)

The 4-Part Modular Sleep System sleeping bags and other components are constructed to be used in conjunction with each other, or separately to complete an interoperable system known as the extreme cold weather sleeping bag. The MSS is designed to provide comfort in temperature ranging from 50??F to -30??F when wearing various layers of extreme cold weather clothing.

  • Camo Green Patrol Bag
    • Temperatures to +30°
    • Reversible double-pull (opens end to end) slider allows top or bottom ventilation
    • Non-locking slide fastener self repairs if jammed or snagged
    • Draft flap prevents heat loss
    • Hood adjusts for heat retention; includes nylon drawcord and barrel lock
    • DIMENSIONS: 92.00" x 37.00"
  • Black Intermediate Bag
    • 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"
  • Woodland Camouflage Waterproof Bivy Cover
    • Made from waterproof, moisture-vapor-permeable material with all seams heat sealed
    • Includes snap fastener and slide fastener
    • DIMENSIONS: 85.00" x 28.00" x 35.00"
  • Black Stuff Sack
    • Constructed of water resistant materials
    • Compressible to one cubic foot
    • Six 1"-wide nylon webbing straps adjust by ladderlock buckles
    • Reinforcement webbing is sewn around the circumference of the bag
    • Nylon drawcord closure with a barrel lock
    • DIMENSIONS: 30.00" x 14.00"


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