Splash proof 600D x 600D with PVC backing and nylon lining bag. Features a main compartment with ample space and removable dividers for customizable organization; an interior PVC wet pocket that separates your dry belongings from your wet; 2 interior zippered mesh pockets; 2 top pockets - 1 padded for tech items and the other unlined; and 2 zippered side pockets with mesh organization. Use the neoprene top grab handle and adjustable shoulder strap or unzip, roll, and secure back cover to reveal padded backpack straps with a sternum strap to turn your bag into a backpack. Includes ventilation grommet in the back. Features a hook and loop patch panel for affixing morale patches (patch not included).