Blinker patch helps keep you visible. Earbud wire routers on harness. Flap closure with grid pattern protective overlay on outside flap. Three color interchangeable webbing closure straps. Drawcord weather closure for large main compartment. Gear organization in pockets and compartments. Padded laptop sleeve fits up to 15′ laptop. Sternum strap. Dimensions: 19’H x 13’W x 6.5’D. Fabric: 900D polyester.