The USWE 21 HAJKER 24 Backpack is designed for extreme activities in all weather conditions. It features a roll-top opening for complete weatherproofing. The backpack includes USWE’s patented No Dancing Monkey 2.1 harness system and a waist belt, ensuring it stays securely on your back in tough conditions. Despite its secure fit, the HAJKER 24 is designed with a ventilated, adjustable back panel to prevent discomfort and excessive sweating.