Regatta Survivor III 45L Walking / Hiking Hardwearing Rucksack Bag. Hardwearing 600D polyester ripstop. Zipped lid pocket. Air mesh back construction to allow ventilated airflow. Adjustable comfort fit padded air mesh hip belt. Adjustable sliding chest harness. Front bungee storage system. Integral bungee walking pole holders. 2 zipped side pockets. Side mesh water bottle pockets. Internal key clip. Easy grab zip pullers. Detachable raincover.