The Boundary(TM) Dry Pack is a simple, durable waterproof portage pack with an all-new suspension system designed to lighten the burden of gear-hauling whether you&';re paddling, fishing, rafting, camping or traveling on trains, buses and roof racks. Padded shoulder straps add carrying comfort and can also be detached for travel or use as a dry bag. The updated DrySeal(TM) roll-top closure and side compression straps make it easy to achieve the optimal seal. The Boundary is available in 35L, 65L & 115L. FEATURES - -Waterproof: Constructed with 100% waterproof materials & welded seams. -Confident closure: DrySeal(TM) roll-top closure makes it easier and more to achieve an optimal seal and secures with side compression straps (note: 35L size secures with a single top buckle, not side compression straps). -Carry comfortably: Updated shoulder straps provide comfortable padding taking the edge off loads. -Adaptable: Removable harness offers option to streamline pack by detaching shoulder straps and waist belt for travel or dry bag use.