Brief Description: Sizing-# L-M 56-62 CM Fit and Stability-ACULOCK System Construction-Inmold Ventilation-18 air vents Black EPS liner Detail Description: The City Beat, breed for city riding, the helmet always on the go from home, office or just cruising around the city. With smooth round design that would sure to be an eye popper for people with the savor for good life. With its air performance vents to keep every city rider cool while surfing the suburban. Specification Sizing- #L-M 56-62 CM Fit and Stability- ACULOCK System Construction- Inmold Ventilation- 18 air vents CE-EN1048 Standard Certified