The backpack comes with one large main compartment, a fleece-lined water bottle pocket, a padded laptop sleeve up to 15” and a spacious front mesh pocket. The sternum straps and the custom injection-moulded shoulder straps add comfort by taking some weight off the shoulders. The padded back panel also adds comfort when carrying bag. The top-loading design has a crush-proof lid and two reverse access-secure mesh pockets. 600D Poly/ 900D Nylon Dimensions: H: 45cm x W: 29cm x D: 16.5cm. Volume: 20L Book bag school college travel