Gender:Men・ Women・ Unisex

Type:MTB Bicycle helmet・ Road Bike helmet・ Sportsafety protection Helmet

Fit:Cycling・ Riding・ Hiking・ Adventure・ Camping

For Age:Adult&Teenager

About Size (M/L):Suitable head circumference 55-61cm

Material:Shell imported PC + internal import EPS

Product:2018 new mountain bike cycling helmet

Inner Width:17.5cm