The Vapor Flash is simple yet elegant, tough yet comfortable, flashy yet clean. A top loader with a floating lid that turns into a fanny pack, built with the award winning Vapor frame. The Vapor Flash is made using 210 denier Cordura nylon fabric throughout,for years of service. It's not the lightest pack but at just over 3 lbs, it's still ultralight. If your going ultralight, yet still need a pack for canyoneering, alpine or other harsh environments, this pack can handle it.