For over 50 years O'NEAL has been dedicated to designing and developing superior safely products. With this dedication, we have developed the 3SRS Helmet. The 3SRS outer shell is made of ABS and has multiple vents and internal ventilation channels for optimized air circulation. The comfort lining is padded, removable, sweat-absorbing and washable. The double-D safety buckle for easy adjustment ensures a perfect and individual fit on your ride. The 3SRS Helmet has break-away visor screws made of plastic for safety, should a fall occur. Meets DOT FMVSS 218 safety standard