Body in ABS, shock resistant, even at extreme temperatures. Highdensity EPS shell (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 microfibe fastening straps, 4-point back fastening for neck protection, chin protection. CE VG1 Standards, TUV certification.