Mountainsmith Rain Cover
Made of durable and weatherproof 70D ripstop nylon, the Mountainsmith Rain Cover offers protection against the elements for backpacks of varying shapes and sizes. A built-in draw cord allows you to cinch the cover tightly over and around your pack. When not in use, the Rain Cover can be stowed neatly in its integrated, compact stuff pouch and stashed inside your backpack. So if you are planning a trip to the rain forest in Costa Rica, you definitely are going to need this rain cover. This seemed like a great little item for a specific purpose - a cheap way to waterproof your camera backpack. The Mountainsmith Rain Cover also features angled cord attachment point, hook and loop closure, integrated stuff sack and taped seams. With the Mountainsmith Rain Cover your pack will stay dry, even while you're getting soaked.
One reason why the Mountainsmith Rain Cover is popular is because of its Weather Resistant.