Bomber materials paired with external access laptop sleeve, waterproof wet/dry storage, and side zip access to the main compartment. On an ascent or trekking around town the Burton Upslope 28L Backpack's durable construction and optimized functionality are sure to complement the journey. A waterproof roll-top closure tops the main compartment, while reflectors and clips for bike lights keep you nice and visible. The ergonomic back panel features airflow zones to help cool things off. Comfortable carrying is key, thanks to an adjustable sternum strap and load lifters. Oh, and did we mention the wet/dry storage compartment in the bottom?All Colorways: Durable outer fabric construction repels water in snow and wintry-mix conditions. Dimensions: 19in x 12in x 6in / 49cm x 30cm x 16cm. External and internal accessible laptop compartment: 16in x 11in / 41cm x 29cm. Tablet sleeve: 11in x 7in / 29cm x 19cm. Durable outer fabric construction repels water in snow and wintry-mix conditions. Roll top closure. Secondary tarp-lined compartment. Ergonomic shoulder straps with load lifters and an adjustable sternum strap. Ergonomic back panel with airflow channels. Side zipper access to main compartment. Internal zippered mesh pocket with key clip. Reflective accents. Bike light attachment points. Hidden daisy chain. Removable hip belt. Volume: 28L. Weight: 2.6lbs / 1.18kg. Lifetime warranty.