ABS shell, highly resistant to impacts, even in extreme temperatures. Very light density EPS (expanded polystyrene) cap with excellent shock absorption properties. The hundreds of inlaid semicircles on the surface of the cap not only improve shock absorption, but also allow excellent air circulation combined with the front, rear and central ventilation zones.Inner cushioning made of moisture-absorbing textile, removable and washable. Adjust-Fit system: rear adjustment wheel mounted on a 5-position hoop for precise adjustment of the helmet to your anatomy. fast, rear mount in 4 Points hugging the neck and equipped with chin protection.Wide visor.Weight: between 430 and 530 g.Helmet certified CE, conforms to EN1384:2012 modified by the VG1 RfU CNB/P/01.040:2014-12. TÜV certified.