Osprey Transporter Roll Top WP 25 is the ideal backpack with IPX6 waterproof protection. It is made with 100% recycled materials. Its IPX6 roll-top closure keeps the elements out while simple internal organization keeps up to 25 litres of gear inside and in place. Unlike other unstructured dry packs out there, it is applied to a comfortable AirScape back panel, giving you a more stable carry. By foot, bike, board, or boat, keep your gear dry with Transporter Waterproof 25.