Integral Designs Bugaboo II Bivy
Here's what other sites are saying:
The joy of sleeping directly beneath the stars melts away when a storm rolls in overnight. But if you slip your bag and your tired self inside the Integral Designs Bugaboo II Bivy then you can keep snoring as the rain beads off and rolls onto the ground. Built for most backpacking or climbing situations, this wide bivy can fit your puffy down sleeping bag during big wall ascents as well as help to keep the bugs away during summer light-packing trips. Weatherproof breathable fabric, zippered T-entry, and a mesh window enable lots of versatility during summer missions in stormy alpine reaches or the low country.