The Blackburn Outpost Seatpack with Dry Bag offers an extra-large capacity for cyclists in need of ample storage on long rides. It features a removable and welded, waterproof dry bag to keep your gear safe and dry, with easy adjustability to accommodate both larger and smaller volumes of cargo. The seat pack mounts quickly on almost any bike and can also be used with many standard dry bags or other stuff sacks for added flexibility. Made from 70D nylon with 4mm ripstop and a water-resistant treatment, this durable pack ensures your belongings are protected from the elements. Weighing just 516 grams, the Blackburn Outpost Seatpack is the perfect choice for cyclists seeking reliable, spacious storage on any adventure.