◦We use Asian size which is 2-3 sizes smaller than US size.
◦Use the Asian size chart below to select appropriate size.
◦Unit is in centimeter, just divide by 2.54 to convert to inch .
Age Group: (Adults) Men
Weight (g): about 257g
Air Vents: > 20
Type: Light Helmet
Model Number: IH19301
Gender: Men, Women, Teenager
Feature: Ultralight , Insect Net
Size: Head Circumference of 55-61cm/21.6-24inch
Safety Light: Rear LED Safety Light
Goggles: Detachable Magnetic Goggles
Name: MTB Bike Safety Men Women Helmet