Ogio Adult Mach 5 No Drag Backpack Streamlined single shot molded exterior is water resistant and will not deform from wind shear. Shoulder gasket conforms to body and increases aerodynamics. Bolstered back foam profile increases air ventilation. Soft neck shoulder straps increase comfort while riding and will not scratch helmet exterior. 360-degree reflective logo and safety piping. Removable zippered fleece lined hip accessory pouch. Off center removable hip belt won't scratch gas tank. Zippered fleece lined personal electronics/valuables pocket. Large main compartment with adjustable load divider and multiple interior storage compartments. Deluxe organizer panel with zippered security pocket and stretch mesh dividers. Dimensions: 20.5" H x 14.5" W x 7" D. Weight: 3.7 Lbs. Capacity: 1,350 expandable to 1,475 Cubic Inches