U.S. Military Surplus Improved 4 piece MSS Sleep System, Used

4.7 out of 5 star rating (10 reviews)

Item currently sold out

Key Features

  • U.S. military issue, made in USA
  • NSN: 8465-01-547-2757
  • Complete Set of the IMSS (Improved Modular Sleep System)
  • Intermediate Cold Weather Bag (temps +30ºF to -10ºF)
  • Patrol Bag (temps +50ºF to +30ºF)
  • GORE-TEX® waterproof breathable Bivy (Bivouac Cover)
  • Compression Stuff Sack, set packs into 12" x 12" x 12"
  • 87"l., 23"w. at feet, 35.5"w. at shoulders (for ICW Bag)

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This is a rare complete 4-pc. Set that together makes up the IMSS (Improved Modular Sleep System). Use the outer Patrol Bag for moderate temperatures. Use the inner ICW Bag for cold temps. Combine both together and sleep comfortably in environments down to -40ºF. Included Bivouac Cover provides a weatherproof shell to protect the sleeper from wet conditions. With this complete Set you've got the perfect sleeping environment, no matter what surprises wait down the road.

    Patrol Bag:
  • Comfort rated +50ºF to +30ºF
  • Water-resistant ripstop nylon
  • Reversible double pull sliders for adjustable ventilation
  • Adjustable hood with drawcord and barrel lock for heat retention
    Intermediate Cold Weather Bag:
  • Comfort Rated +30ºF to -10ºF
  • Water-resistant ripstop nylon
  • Adjustable hood with drawcord and barrel lock for heat retention
  • Quilted chest collar stops air drafts
    Bivy Cover:
  • Breathable GORE-TEX® 3-layer laminate waterproof construciton
  • Snap and slide fasteners
    Compression Sack:
  • (6) 1"w. nylon webbing straps with ladderlock buckles
  • Reinforcement webbing for added strength
  • Nylon drawcord closure with barrel lock

Key Specifications

  • Item Number: 428299
  • Quantity: 4-pc. IMSS Modular Sleep System
  • Material: Ripstop Nylon
  • Color: ACU Digital Camo/Dark Gray/Light Gray
  • ICW Bag Dimensions: 87"l., 23"w. at feet, 35.5"w. at shoulders
  • Patrol Bag Dimensions: 92"l., 24"w. at feet, 37"w. at shoulders
  • Bivy Dimensions: 85"l., 28"w. at feet, 35"w. at shoulders
  • ICW Bag Weight: 4 lbs.
  • Patrol Bag Weight: 3 lbs.
  • Bivy Weight: 2 lbs.
  • Stuff Sack Weight: 7 oz.
  • Total Component Weight: 9 lb., 7 oz.
  • Total Packed Dimensions: 12" x 12" x 12"
  • Country of Origin: USA
  • Condition: Used, in good shape