Bivy Cover | Modular Sleep System (MSS)


Stay dry and protected with the Improved Bivy Cover, part of the MSS Sleep System. Constructed from 100% waterproof Gore-Tex® fabric, it fits military ECWS, intermediate, and modular bags.


(5 customer reviews)

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smiths surplus and supply

Modular Sleep System Bivy Cover

Enhance your outdoor escapades with the prestigious MSS Sleep System Bivy Cover, a critical component of our acclaimed military surplus range. This top-notch cover is engineered with 100% waterproof and windproof Gore-Tex® fabric, assuring your steadfast dryness and comfort regardless of the weather conditions. Endorsed by all departments and agencies of the Department of Defense, its superior durability, and performance merit your trust.Boasting dimensions of approximately 80″ long, 33″ at the shoulder and 18″ at the foot and a feather-light weight of just 1lb 14oz, the MSS Sleep System Bivy Cover is strategically designed to seamlessly accommodate military ECWS, intermediate, and modular sleeping bags. Its additional features, including a 2-way YKK® zipper, snap fastener, and slide fastener, testify to its ultimate convenience and adaptable nature. Its eye-catching ACU Camo / Woodland color adds an adventurous edge to your gear.Set forth on your outdoor ventures with unwavering confidence, secure in the knowledge that the military surplus MSS Sleep System Bivy Cover is at your service. Given its Department of Defense endorsement and superior material quality, this Bivy Cover is the gold standard companion for your upcoming wilderness exploration.

Bivy Cover Features

  • Includes snap fastener and slide fastener
  • Approved by all departments and agencies of the Department of Defense
  • Made of durable waterproof and windproof 3-layer Gore-Tex® fabric
  • 2-way YKK® zipper
  • Fits military ECWS, intermediate and modular bags
  • Dimensions: 85″ x 28″ x 35″
  • Color: ACU Camo / Woodland
  • NSN# 8465-01-547-2644 / 8465-01-416-8517
  • Weight: 1lb 14oz
The photos are representative of the Gore-Tex Bivy Cover you will receive. The bivy you actually receive may differ slightly in appearance but will be substantially the same in terms of it’s condition and functionality.

Additional information

Weight2 lbs
Dimensions10 × 7 × 5 in

Premium, Very Good, Good, Fair


Ripston nylon, polyester fill


ACU Digital Camo, Woodland Camo


8465-01-547-2644 / 8465-01-416-8517

5 reviews for Bivy Cover | Modular Sleep System (MSS)

  1. Brion (verified owner)

    Bought like new and it’s better than I expected, no stains, marker,or wear. The zipper works as should. 10/10 would recommend.

  2. Travis K (verified owner)

    Very Good, Woodland Camo
    The bivy cover is great! It is in really good condition with only some light signs of wear, no holes or tears. Very satisfied with this purchase.

  3. Volodymyr (verified owner)

    Nice cover with gore-tex

  4. Derek S (verified owner)

    Kept the moisture out and the heat in. Excellent!

  5. Lee W (verified owner)

    Exactly what I was looking for.

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