Description "Designed with two large zip compartments; the front section features internal organization pockets and a key/accessory clip. Large back compartment includes padded laptop and tablet pockets. Interior felt lined sunglass/phone pocket and two external water bottle pockets. External bungee cords for stowing additional gear or layers. Air mesh padded straps for comfort and reflective front detailing for safety. Made with durable 600D/420D/Ripstop polyester for long wear. Fits up to most 15" - 17" laptops.