Trailrun - a booming endurance sport with many facets. The right equipment should be lightweight, robust and very functional to give the athlete the opportunity to be on the move for a long period of time. The TR-L includes a 3-liter water bladder. 2 bottles can additionally be stowed at the front. In the back compartment, a thin jacket, a rescue blanket and a first aid kit can be accommodated. In a separate inner compartment, the cell phone, well protected from moisture, can be stored.