Drybags need to be robust, roomy, easy to carry and above all else, waterproof. With their Big River bags, Sea to Summit have ticked all those boxes and more. As well as being completely watertight, they're built tough, using 420D ripstop nylon fabric with a triple-coated base for increased abrasion resistance. They're also fitted with low profile grab handles to ensure they're easy to heft into a canoe, onto a bike rack or into the back of a truck. Multiple lash points provide secure mounting options, and the 20L and 35L sizes can also be fitted with the optional Dry Bag Sling attachment for convenient shoulder or cross-body carry. In short, this heavy-duty hero should be your first choice for hardcore adventures on land and water Low profile grab handles-easy to grab and carry Base Lash Loop for Dry Bag Sling attachment (20 and 35L only, sling rated to15kg loads) Triple-coated oval base for increased water shedding and durability Hypalon non-wicking roll-top closure 420D ripstop nylon shrugs off water and abrasion Multiple lash points provide secure mounting options for bikepacking, kayaking, rafting and overlanding expeditions by motorbike or 4x4