Bivy Cover (Improved / ACU)

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This is a genuine US Army surplus Gore-Tex Bivy Cover, a component of the Modular Sleep System, made in the USA by Tennier Industries. This listing is for the bivy cover only; no other components of the sleep system are included. This would make a great bivy cover for all-season camping. This bivy cover may be combined with the Patrol Sleeping Bag and the Intermediate Cold Weather Sleeping Bag to form the Improved Modular Sleep System.

Quality Guide

  • Like New - A sleeping bag that appears flawless and never issued or used.  We receive these items in bulk from the military so we cannot say for sure whether or not they are brand new.
  • Very Good - A sleeping bag that shows very minor signs of use but is in great condition.  No holes, rips, or tears in any of the components.  All zippers, snaps, and drawstrings will function normally.
  • Acceptable - A sleeping bag that will show signs of moderate to heavy use.  Any defects will not hinder the sleeping bag's intended use and would be easy for someone to repair.  There may be one or more small holes in the fabric (most are pin-holes but some may be larger, up to approximately the size of a dime).  All zippers, snaps, and drawstrings will function normally.

Included Components

Bivy Cover - The bivy cover is dark grey on the bottom and has an ACU camouflage pattern on the top. It is made with a 3-layer GORE-TEX fabric, making it fully waterproof. It has a zippered closure with snaps for connecting to the other sleep system components. It also features Velcro fasteners around the hood which can be fastened to prevent openings during rainy or extremely cold weather.

Universal Digital (ACU)
Tennier Industries


  • 5
    AWESOME! I bought a Used: Very Good...

    Posted by Dave on Jan 6th 2020

    AWESOME! I bought a Used: Very Good and I can't see anything that'd distinguish it from PERFECT! Zippers and press-studs all work and the cover was clearly recently laundered (still smell the detergent!). Add to that the fact that it shipped the day after I ordered, and arrived in THREE DAYS, even over the Christmas holidays and you have a very happy Dave! Thanks, Thunderhead - I'll be back, for sure!

  • 5
    This bivy arrived quickly and was in near...

    Posted by John on Nov 6th 2019

    This bivy arrived quickly and was in near perfect condition. It looked unused. Thank you for the great service!