The EVOC Hip Pack 3 Liter Hydration Pack has just what you need without the extra fluff. Store a tube and tools in the separate tool compartment, fill the 1.5L bladder and you're ready to hit the trails or road. Thanks to the Venti Flap system you can individually adjust the distance of the fannypack to your back and the ventilation along the back panel. Features: Airflow Contact System offers perfect back ventilation VENTIFLAP for uphill- and downhill mode adjustment Separate quick access tool compartment 1.5L Hydration bladder included Specifications: Pack Type: Hip Pack Pack Capacity: 3L Reservoir: Included Reservoir Capacity: 1.5L (50 fl oz) Bike-Specific Design: Yes Helmet Mount: - Gender: Universal Dimensions: 28 x 18 x 8cm Color: Black Weight: 430g (Pack), 130g (Reservoir)