Surge Backpack. Tackle the daily commute in comfort and support with the durable yet roomy Surge Backpack. • Fabric - Solid Colours | 210D Recycled Nylon Ripstop with Non-PFC Durable Water-Repellent (Non-PFC DWR) Finish • Fabric - Heather Version | 300D Heathered Recycled Polyester with Non-PFC Durable Water-Repellent (Non-PFC DWR) Finish • Sizes | OS• Avg Weight | 1260 g • Volume | 31 Litres • Dimensions | 30,5 cm x 17,8 cm x 50,8 cm • Laptop Sleeve | 38,1 cm x 29,2 cm • With three large, easy-to-access, zipped pockets on the front, the Surge offers plenty of organisation • The FlexVent™ suspension system, certified by the American Chiropractic Association, has articulated shoulder straps, a rounded back panel, comfortable stitch lines and soft-touch chemise fabric • Stand-up design • Protective dedicated laptop compartment • Large main compartment for books and binders • Front compartment has internal organisation with secure-zip pockets and a padded tablet sleeve • External, fleece-lined pocket for sunglasses, phone or keys • Two durable, external water bottle pockets can easily double as multi-use pockets with quick-draw smartphone access on one side • Two external J-zip pockets, one lined with fleece • Bottom compression • Webbing daisy chain offers lash points • 360-degree reflectivity • Comfortable, padded top grab handle • Sternum strap with a whistle buckle • Removable waist belt • Women-specific version available