Bring on the downpour With this lightweight and easy to stow waterproof rain cover, you can quickly cover your pack to keep your gear dry no matter how suddenly the storm hits. It adjusts almost as quickly as a thunderclap a. Turn uncomfortable sogginess into a thing of the past. When backpacking, it's important to keep your gear nice and dry--no matter what Mother Nature throws at you. While your pack will shed light rain on it's own, when the weather turns really foul, you need a Rain Cover. The Kelty Rain Cover will protect your pack and the gear inside when unexpected weather hits. Using a combination of treated 600D Polyester Ripstop and 600D Polyester Oxford with 610D Polyester Cordura in the areas that need reinforcement, the Kelty Pack Cover will keep your gear dry. Also stays on your pack when the wind kicks up using an internal adjustable pull cord that secures the cover to your pack. Features: Keeps your pack dry Stretches over your backpack Nylon Rip stop Lightweight and easily stowable waterproof rain cover Durable, waterproof construction Large fits packs 1500 to 3000 cubic inches (25-50 Litres) Specifications (Regular): Body Fabric: 190T nylon taffeta ripstop