Terra Nova's Survival Bivi is a great value, low weight bivi bag. It uses a fully waterproof, breathable material, a simple drawcord closure and packs away into a small stuffsack. It's a great normal-use bivi, can be used in conjunction with a Tarp or simply kept in your pack every time you go out in case of emergency.
Terra Nova Survival Biv
From £54.95 to £75.00