Body in ABS, shock resistant, even at extreme temperatures. Shell in high density EPS (expanded polystyrene) with excellent shock absorption properties, which also allows excellent air circulation in combination with the front, rear and central ventilation zones. The internal padding fabric is moisture absorbing, removable and washable. Adjustment system with rear wheel mounted on a 5 position headband. Quick-release microfibre fastening straps, 4-point back fastening for neck protection, chin protection. CE VG1Approval, TUV Certification.