Detachable built-in rain cover provides weatherproof protection. What’s more? There is a security back pocket at the back panel providing maximum protection to your valuables while traveling. Ergonomically designed to mold to your back and shoulders with a breathable air channel back panel design, the mesh backing allows an air gap flow provides maximum comfort. In fact, results from a heat reduction test conducted outdoors using the Targus Metropolitan backpack showed a significant 6 percent drop in temperature on the main back panel.