The Old Harbor Outfitters Ruck Sack is built to be a sure thing. Made of heavy-duty rip-stop polyester with 10,000 MM waterproof coating and featuring a roll-top closure with compression straps, this sack will keep your gear bone-dry. The large exterior mesh zip compartments are perfect for quick access items and the ergonomic pull-tabs allow easy opening and closure. Features a D-ring for deck tie-down. Dimensions: 38" x 15", 48 liters.