Unisex bike helmet 10 vents cycling mountain cycling cycling climbing skate ski skateboardingmedium 55 59cm large 59 63cm small
Categorybike helmet genderunisex featuressports extreme sport mountain activityski mountain cycling skate cycling climbing skateboarding head circumference inch20 23 vents10 sizelarge 59 63cm medium 55 59cm small 51 55cm materialeps abs fit for22 23inch 56 585cm 21 22inch 53 56cm 20 21inch 51 53cm 23 24inch 585 61cm net weightkg045 head circumference cm