Giro Fixture II bicycle helmet - with its profile, it provides increased protection for the back of the neck, is well ventilated with 18 holes and fits perfectly on the head thanks to the Roc Loc Sport clamping system, which can be easily tightened with one hand using the tightening wheel. This Giro MTB cycling helmet has a removable visor and reflective elements. * the helmet meets the EU standard: CE EN1078, meets the US CPSC safety standard for bicycle helmets for persons aged 5 years and older * IN-MOLD® system is a technological process in which EPS polystyrene foam is injected into the shell and reinforcements closed in a mold under pressure . Their connection will reinforce the area of ventilation holes and ribs. The result is a compact, one-piece, light, safe and very durable helmet * fastening system: Roc Loc® Sport - offers easy adjustment of the size of the helmet in the range of 7 cm using a pleasant wheel that gives a sound response when tightening. Compatibility with long braided hair is a matter of course * 18 vents for pleasant ventilation * removable Quick Link visor * quick-dry lining * thin adjustable strap * Universal Fit size * reflective details improve visibility at night and in low light conditions * head circumference: (54- 61 cm) * weight: 330 g