FlexVentTM Suspension System - padded mesh back panel, breathable lumbar panel and flexible yoke 1 x main with internal organisation system / padded tablet sleeve / pendolier / extra zipped pockets 1 x external fleece lined pocket 1 x laptop compartment 2 x external mesh water bottle pockets Elastic bungee system - for external storage Sternum strap with whistle buckle Padded top grab handle Removable waist belt Reflective bike light loop / water bottle tabs / shoulder-strap webbing Dimensions: 33.7 x 45cm Materials: 400D Polyeter with Non-PFC DWR Finish / 600D Polyester with Non-PFC DWR Finish / 300D Heathered Polyester with Non-PFC DWR Finish / 210D Cordura Nylon Ripstop with Non-PFC DWR Finish Volume: 28 litres Weight: 1.22kg