High Sierra Sport Company 40 External Series Badger mesh 40-liter, top-load main compartment with gusseted drawstring closure and adjustable top lid. Contoured backpack straps with VAPELmesh padding. Stretched mesh back panel AIRFLOWsystem helps keep your back cool and dry. Adjustable waist belt, with VAPELmesh padding, wicks moisture. Convenient zippered pockets on the sides of the bag are ideal for quick-reach items. Adjustable bottom compression straps keep gear secure. Webbing daisy chain to attach extra gear. Internal hydration reservoir sleeve and dual exit ports for tube (reservoir not included). Removable media pocket is attached to backpack strap. Adjustable sternum strap stabilizes pack. Mesh side pocket holds 1000ml water bottle Capacity: 40 L /2440 Cubic Inches, Weight: 4.0 LBS/1.8 KGS, Fit: Junior/13-17 Inch Torso, Waist: 26 inches and up