What Do You Think a Bivouac Bag is?
Bivvy is a better known name for a bivouac sack. They evolved from the old sleeping bag cover. They’re quick to rig up, smaller than any other type of tent, lightweight and waterproof. They’re favored by solo backpackers, mountaineers and soldiers.
Design
A simple bivvy is made of one layer of waterproof fabric. Early versions of the [...]

















































