ONEAL 1 SRS GREYHelmet with 2 outer shells and 2 EPS for increased security and perfect fit Outside shell made from high quality ABS Various Lbfungs and internal ventilation channels for optimized air circulation Airflaps compatible Double D safety closure with simple belt adjustment for a perfect individual seat Padded comfort inner food, removable, sweat absorbing and washable Safe glasses band guide through pre shaped switching design The new test standard ECE 22.