The TuffRider Guardian Wide Brim Helmet offers protection from the sun while offering a comfortable fit. This helmet also features a matte finish with ventilation slots in the trim for a sleek look. The comfort padded harness with synthetic suede lining, adjustable dial and washable Coolmax liner allow you to customize for a perfect fit. The ABS outer shell of the helmet provides strength and protection against possible impacts and helps to distribute and absorb the force of impacts, reducing the risk of injury. The high quality EPS inner layer adds extra protection by reducing the amount of energy transferred to a rider's head during an impact.This helmet is SEI / ASTM F1163-15 certified.