Our innovative bivi is made from super tenacious 1.1 oz silicone impregnated ripstop nylon. The waterproof bottom and water repellent, breathable top provide amazingly lightweight protection for your sleeping bag. Measures 72-1/2"" to shoulder, 83"" to top of head, 33"" wide. A mid-length zipper ( 4.5 YKK) provides easy access. Packaged in a mesh bag. Weighs: 6.6 oz. Made in USA.