Skip to Main Content

Smith Helmet Size Chart

Adult Helmets

SizeHead Circumference (cm)
Small51 - 55
Medium55 - 59
Large59 - 63
X Large63 - 67

Holt & Junior Helmets 

SizeHead Circumference (cm)
Youth Small48 - 53
Youth Medium53 - 58
Youth S/M48 - 56
X Small52 - 54
Small54 - 56
Medium56 - 58
Large58 - 60
X Large60 - 62