Black Diamond, Winter Bivy by Black Diamond All Expedition Tents >>> Expedition Tents by Black Diamond More details and ordering info. Designed with EPIC fabric to be an ultra-lightweight, minimalist bivy sack or winter sleeping bag cover, the Winter Bivy by Black Diamond is so small it fits in a jacket pocket.Features: EPIC by Nextec is a breathable, silicone-encapsulated polyester ripstop, lightweight and packable enough to be stuffed down and carried in a jacket pocket. EPIC is extremely water resistant, offering protection from short showers or snow, but is not sufficiently stormproof for long term hard rain. Zippered entry across the shoulders is conveniently positioned for ease of entry-exit and sitting bivies. Small, lightweight and totally functional makes the Winter Bivy a must-have on any wilderness adventure. Sized large to fit over a long winter sleeping bag. Specifications: Weight: 9 ounces. Material: Nylon. Dimensions: 85 x 35 inches. Stuff size: 3 x 5 inches. User input on Winter Bivy by Black Diamond by Black Diamond: Be the first to submit input on this product Submit Input: Your Name: Write or Paste Input here: Upload picture:      Review Guidelines