Signal DrypackDesigned for use as a fully waterproof dry backpack and as a convenient weatherproof commuter pack, the Signal Drypack delivers ample gear storage and impenetrable water tight protection. Durable tarpaulin construction, radio frequency welded seams Padded back panel, ergonomic shoulder straps and adjustable sternum strap Large main compartment with 3 interior mesh pockets Roll top or hook and loop strap closure options Heavy duty abrasion and roll