Abus Air Breaker 2.0 Helmet - Pure WhitePonytail Fit: thanks to the opening in the height adjustable adjustment system, the helmet is also suitable for long hairstyles such as ponytails, buns, or braids Eyewear Port at front and rear: recess at the front and rear of the helmet to hold eyewear in a secure and aerodynamic position while riding or during stops Acti Cage: allows larger ventilation openings combined with high stability thanks to foamed in structural reinforcement Forced Air