Features: A bivvy that BREATHES. - Stay warm AND dry in the original backcountry emergency shelter that stays dry while you heat up. Weather the Elements. - Highly water-resistant fabric keeps you dry even in wet, soggy conditions. Stay Warm.-Reflects 70% of radiated body heat. All-season Durability.- Hard-wearing fabric resists punctures and tears through heavy use. Low-visibility OD Green exterior.- Makes it easy to blend into your environment Specifications: Size:84" x 31" Weight:8.5 oz.