Genuine U.S. Army GI Modular Sleep System 40102

This system is constructed to insulate the user in environments ranging from mild weather to extremely cold weather. The system consists of two Mummy-style sleeping bags--the Patrol (Green) and the Intermediate Cold Weather (Black). Each are constructed of water-resistant, ripstop nylon. Each sleeping bag is fully functional independently. For a temperature to -30ºC, insert the Intermediate Cold Weather bag inside the Patrol bag. Each bag is compatible with the vapor permeable bivy cover. When all 3 components are used together the system is rated to provide 4 hours sleep at -40ºF. A compression stuff sack and bivy cover are included and detailed below. Non-flammable and machine washable.

Patrol Bag features:
  Temperature to +30ºC
  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
  Measures 92 x 37' to 92 x 24"
  Green
Intermediate Cold Weather Bag features:
  Temperature to -10 ºC
  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
  Measures 87 x 35 1/2" to 87 x 23"
  Black
Stuff Sack features:
  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
  Measures 30" in length, 14" in diameter
  Black
Bivy Cover features:
  Made of durably waterproof and windproof 3-layer GORE-TEX® fabric and approved by all departments and agencies of the Department of Defense
  Includes snap fastener and slide fastener
  Measures 85" x 28" x 35"
  Woodland