The Drifter has a waxed canvas exterior that repels moisture and makes this rugged bag is up for anything. The G Hook straps secure the top flap down while the drawstring closure ensures the contents of the main compartment stay cozy, dry and readily accessible. Carry the Drifter on you back all day in comfort thanks to the breathable padded airmesh and adjustable shoulder straps. The main compartment has two flat pocket organizers for a tablet or notepad, with loop material inside incase off body holster carry is your preference. There are internal bottle pockets on each side to keep Nalgene size bottles in place, and a key keeper to keep from losing your keys. The front zippered pocket is perfect for smartphones or wallets and also features pen holders and larger spots for flashlights and other EDC essentials.Features :Main Compartment Volume: 1224 cubic inchesWaxed Canvas ConstructionYKK Zipper