USGI ACU GORE-TEX® Bivy Cover – Waterproof Military Sleeping Bag Cover

Meta Description: Upgrade your outdoor sleep system with the Genuine USGI ACU GORE-TEX® Bivy Cover. 100% waterproof, windproof, and built for extreme conditions. NSN: 8465-01-547-2644. Shop authentic military surplus at Fury28.com.

​The Ultimate Waterproof Shield for Your Sleep System

​When the weather turns hostile, your sleeping bag's performance can mean the difference between a restful night and a miserable one. The USGI ACU GORE-TEX® Bivy Cover is an authentic piece of military surplus designed to be the impenetrable outer shell of the military’s Modular Sleep System (MSS). 

​Constructed in the USA using 3-layer GORE-TEX® laminate, this bivy sack is 100% waterproof, windproof, and highly breathable. Whether you are a backpacker, hunter, survivalist, or tactical professional, this bivy cover prevents rain, snow, and morning dew from soaking your gear, while allowing internal condensation to escape.

​Available now at Fury28.com, this genuine issue bivy cover can be used as a standalone ultralight shelter in warm, wet weather or combined with a patrol and intermediate sleeping bag for sub-zero winter expeditions.

​Key Features

• ​Genuine U.S. Military Issue: Built to exact Department of Defense specifications for use in extreme environments.

• ​3-Layer GORE-TEX® Fabric: Engineered to be entirely windproof and waterproof while maintaining moisture-vapor permeability (breathability).

• ​Universal Compatibility: Can be snapped seamlessly into the military Modular Sleep System (MSS) or used over almost any commercial mummy-style sleeping bag.

• ​ACU / UCP Digital Camo: Features the Army Combat Uniform (Universal Camouflage Pattern) for reliable concealment.

• ​Heavy-Duty Hardware: Equipped with a 2-way, non-locking YKK® zipper that allows for top or bottom ventilation. The zipper is designed to self-repair if snagged.

• ​Weather-Sealed Design: Features heat-sealed inner seams, a snap storm flap over the zipper, and an adjustable mummy hood with a barrel-lock drawcord to seal in body heat.

SpecificationDetail

ProductImproved Modular Sleep System (IMSS) Bivy Cover

Material100% Waterproof GORE-TEX® Membrane

NSN Number8465-01-547-2644

PatternACU / UCP (Digital Camouflage)

DimensionsApprox. 85" L x 35" W (at shoulders) x 23" W (at feet)

WeightApprox. 2 lbs

ManufacturingMade in the USA (Tennier Industries or similar gov. contractor)