Sleep easy across a wide spectrum of demanding outdoor environments with this Brooklyn Armed Forces ECW Sleep System. Made to the same specs as the USMC 3-Season Bag, including the matching waterproof GORE-TEX Bivy. Brooklyn Armed Forces is an experienced maker of military issue clothing. In most cases their private label clothing is made using genuine military fabric, and always to strict military specifications. Expect the best performance, and be confident in the mission ahead. Breathable GORE-TEX waterproof Bivy Cover U.S. Marine Corps spec 3-Season Sleeping Bag Rugged nylon ripstop shell Polarguard HV resin-bonded polyester fill Rugged military-grade zippers on both Bag and Bivy Comfort rated down to +30AdegF Stuff sack for low-bulk transport Fits 1 adult up to 5'11"