ROCKBROS Unisex Road Bike Helmet for Adults - Integrated Design for MTB and Road

【EXCELLENT VENTILATION】 25 ventilation openings for optimal air circulation. Whether in a bike race or on a hot day, this bike can suck in more cool air to maintain the comfortable temperature and provide you with a comfortable driving experience. 【ADJUSTING SYSTEM】 M: (54-59cm) L: (58-63cm) These ROCKBROS protective helmets are available in two shell sizes. You can choose the suitable size. The helmet adaptation to the head size can be done by turning the following adjustable steering wheel. 【REMOVABLE】 Removable and washable cover for comfort and hygiene. You don't have to worry about the clothes getting wet either. Thanks to the good gas permeability, your bicycle helmet stays clean and does not smell very good. 【MAGNETIC BUCKLE & SKILL】 Innovative design: Enhanced magnetic buckle replaces the traditional buckle and provides more comfort when carrying and removing a bicycle helmet. Chin strap upgrade: The side mount fixed anchors ensure a perfect fit every time. The special adjustment button on the chin strap is easy to adjust. You can easily loosen and tighten the chin strap with one hand. 【WITH CE CERTIFICAT】 ROCKBROS bike helmet is made of EPS and PC shell with information technology. The helmet also complies with the European standard and has a CE certificate.