Giro Bexley MIPS Helmet Medium WhiteThe Giro Bexley MIPS Helmet is the flagship commuter helmet from Giro. Using Hybrid Polycarbonate construction, extended coverage, and the integration of MIPS Technology helmet even passes the standard for E-bike safety (NTA8776). The integrated rear light illuminates the entire back of the helmet for excellent visibility to boost your safety. The plush, odor-resistant padding is comfortable and won’t smell. There are 10 vents to keep you cool. Four of the top vents with deep internal channels have “on the fly” adjustment so you can get the right amount of ventilation. Sizing: Small 20-21.75’’ or 51-55cm, Medium 21.75-23.25’’ or 55-59cm, and Large 23.25-24.75 or 59-63cm.768686743672