High tech, back-free, ventilation optimised carry device for hydration and other essential needs on shorter rides. With enough space for a tube, some tools and a 1,5l hydration system it comes with a very dialed system that is an extra in comfort, that Evoc calls Venti Flap: increase the back distance for climbing and tighten it to the hip for the downhill, simply by pulling a string! Airflow Contact System offers perfect back ventilation Venti Flap for uphill- and downhill mode adjustment 2 bottle carriers with extra safety fixation - easy to reach Volume: 3 l Weight: 430 g + 130g Bladder Measures: 28 x 18 x 8 cm