Long-distance hikes are just your thing? Then the Futura Air Trek SL, which offers the greatest possible comfort on long tours, is your ideal companion. The VariSlide system allows infinite adjustment to any body size. The movable VariFlex ECL hip fins with ergonomic padding inserts ensure comfortable carrying. The Aircomfort Sensic mesh back system also keeps you optimally ventilated. To give you maximum space and organization for your gear, there is a large front access, a side bellows pocket and a height-adjustable lid (+10 L).