WATERPROOF PROTECTION: Ensure your gear stays completely dry while traveling, kayaking, biking, commuting, camping, hiking and fishing. EASY TO USE: Designed with a roll-top closure and single reinforced strip to ensure water stays out. Simply fold the bag down 3-4 times, buckle, and you are ready to go! STORAGE: Equipped with pockets on both the inside and outside of the bag. A large splash-proof zipper on the outside for quick grab and go items, and a built-in zippered pocket, mesh compartment, & key ring on the inside. MADE FOR COMFORT: Constructed with an ergonomic padded backpanel, reinforced contoured shoulder straps, and low-profile sternum strap providing comfort by taking the weight off your back.