Three-Season Sleep System with GORE-TEX Bivy Cover Optimized protection for today’s highly mobile forces

Highly breathable GORE-TEX fabrics used in the Three-Season Sleep System (3-SSS) keeps you comfortable during inclement conditions. Even in harsh conditions, the fabric allows moisture and respiration vapor to escape from the sack, which keeps insulation and clothing dry for maximum protection and comfort. At the same time, oxygen and carbon dioxide flow freely through the waterproof fabric enabling user comfort while fully enclosed in the bivouac sack. Engineered to withstand rain, snow, and wind, GORE-TEX fabric keeps you dry and more comfortable. This durable fabric maintains outstanding protection over time, even after exposure to harsh contaminants such as DEET, petroleum, oils, and lubricants. Using lightweight GORE-TEX fabric with unique FASTPACK technology, the 3-SSS bivy bag weighs less than 2 pounds and packs more easily than incumbent bivy bags, allowing today’s warfighter to rapidly respond to changing field conditions.

  • Lightweight and packable protection
  • Highly breathable moisture vapor transmission (MVTR) properties that minimize internal condensation
  • Durably waterproof and windproof in varying environmental conditions
  • Gas diffusion properties that allow full enclosure
  • n-IR signature reduction technology

System Pack Weight – 4.7lbs             System Pack Volume – 0.45ft³


Gore Technologies

GORE-TEX Products

The durably waterproof, windproof, breathable fabric that keeps you dry, warm, and comfortable in a wide range of climates.


This product is not commercially available. Contact GORE® Defense Fabrics for details.

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