Leak resistant, antimicrobial liner. Dual zippered opening to large main compartment. Dual side mesh pockets for water bottles. Dual padded side grab handles for easy carrying when fully loaded. Carabineer bottle opener conveniently attached for on-the-go use. Top hatch for easy, quick access to main compartment. EVA molded base for increased durability and structure. Front zippered pocket for additional storage. Dual carry handles with padded handle wrap. Adjustable shoulder strap.