With athletic style, big, multi compartment design, monster hook and bottom straps to attach sporting equipment and lots more, the High Sierra Loop has the features to handle it all, from a weekend of camping to a trip to the gym. Multi compartment design. Dedicated MP3 player pocket with headphone port. Attach gear with monster hook and bottom straps. Two side mesh beverage compartments. Hanging accessory pocket. Organizer compartment with multiple pockets and a key fob. Yoke style, S Shaped Vapel Mesh padded backpack straps with Suspension System and integrated grab handle. Comfortable back panel. Materials: Mini Hexagon ripstop, waffle weave 600 denier Duralite. Size: 19.5 in. x 14.5 in. x 8.25 in. Capacity: 1949 cu. in. Weight: 2.43 lbs.