The ARK Emergency Bivi is the ideal lightweight bivi bag for emergency situations.
 
Made with lightweight PE (Polyethylene), the ARK Emergency Bivi bag is wind and waterproof and reflects body heat. Super packable, folding down  in its stuff sack, and lightweight at, the ARK Emergency Bivi bag is an essential emergency mountain product.
 
Lightweight PE (Polyethylene)
Reflects body heat
Windproof
Waterproof
Seam Taped
Super packable and lightweight
Essential emergency mountain product
Supplied with stuff sac