Description of Timbuk2 Hacker Classic Messenger style meets total laptop protection. Whether you travel by foot, plane, train or automobile, this is the perfect computer-friendly companion (fits 15" laptops), and a welcome alternative to the traditional corporate briefcase. Features: Panel pocket with organizer and red key tether Adjustable shoulder strap with removable strap pad Two main zip compartments Waterproof lined main flap Reflector tabs Ballistic nylon Grab handle Padded, corduroy-lined laptop compartment Molded back panel Full flap closure with dual buckles Waterproof, rubberized bottom with safety flasher attachment loop Tuck away backpack straps 12"W x 15.5"H x 6.5"D (30.48cm x 39.37cm x 16.51cm) 2.9lbs (1.32kg)