EVOC: Everything packed at all times: The versatile allrounder for biking, school or your everyday routine provides perfect fit and aside from superior comfort offers a whole lot of functionality.Comfortable, well-ventilated AIR PAD back paddingInternal TOOL COMPARTMENT with organiser functionalityExterior transport flap for your bike helmetHYDRATION SYSTEM COMPARTMENT up to 3l SPECIFICATIONSVolume: 16 lWeight: 600 gMeasures: 24 x 49 x 14 cm