The Big River Dry Backpack from Sea to Summit is a versatile packsack with a carrying system that scores points for its lightness, waterproofness and minimalism. The outer material is made of abrasion-resistant and waterproof ripstop nylon fabric. The Hypalon roll closure reliably keeps moisture out. The Triple-Coat coating ensures that the material is even more abrasion-resistant. The carrying system consists of shoulder straps and an adjustable chest strap - for optimum carrying comfort. The outer flat handles do not get caught anywhere and are light to grip and carry. The Big River Dry Backpack will be a loyal companion wherever you go!