Simms Dry Creek Rolltop Backpack - Simply better. Simms' Dry Creek Rolltop Backpack brings gear storage and waterproof protection to all points near, far, and farther. Interior stretch-mesh storage pocket, exterior lash points, and built-in easy-access tool storage Fully cushioned shoulder straps with breathable, water-resistant mapped back-panel Dual stretch mesh water bottle pockets Removable waist strap, fly patch, and tool port on shoulder straps plus D-ring for net and Hypalon lash ports throughout FABRIC TECH: 300D Polyester Ripstop with face PU coating and backside TPU coating