The Oxford Aqua Evo Backpack is a lightweight waterproof bag which has a roll-top design, and is guaranteed to keep your belongings safe and secure.Super lightweight rip-stop materialRoll top backpack with side compression strapsWaterproof rating IPX-6Airtech back system improves air flow circulation and comfortFront external water resistant pocketHighly reflective detailsReflective loops at the base to attach taillightsCarry handleRemovable padded laptop sleeve (22l only)The Oxford Aqua Evo Backpack has been constructed from a super lightweight rip-stop material and has been given a waterproof rating on IPX-6, the highest rating, ensuring that this bag is not only waterproof, but also dustproof.The bag has a roll-top backpack design with side compression straps and a useful carry handle. There is an Airtech system on the back which improves air flow, circulation and comfort whilst being used.Additional features include a front external water resistant pocket, highly reflective details