ABS shell, highly resistant to impacts, even in extreme temperatures. Very light high-density EPS (expanded polystyrene) shell with excellent shock absorption properties. Double layer in two densities and edge coating in molded plasticized PC. 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 areas. Inner quilting combining moisture-absorbing textile and memory foam. Removable and washable. Adjustment system: Rear adjustment wheel mounted on a 5-position hoop for precise adjustment of the helmet to your anatomy. Microfiber mounting harness with quick release closure clip. 4-point back mount hugging the neck and equipped with chin protection. Wide visor. Weight: between 460 and 560 g. Helmet certified CE, conforming to EN1384:2012 as modified by the VG1 RfU CNB/P/01 coordination sheet. 040:2014-12. TÜV certified.