Carrying gear has never been easier with the 3D Freeflow 30+5L S hiking pack. Embrace the freedom to bring along all the gear you desire. Easily adjust the back length for all-day comfort, whether you're preparing for a leisurely picnic or heading up Ben Nevis. No need to worry about oveheating thanks to its 3D Freeflow technology which ensures optimal airflow between your back and the pack, keeping you cool and preventing sweat buildup. With plenty of pockets for convenient organisation, loading up for outdoor adventures is a breeze. This pack also comes fully loaded with all the bells and whistles, including a built-in whistle for added safety. Berghaus Unisex 3D Freeflow 30+5L S Backpack | George Fisher