S-One Mega Lifer Helmet

The S-One helmet for Mega sized heads! Dual certified to ASTM and CPSC certification standards to give you great protection. 

To find your size, measure the circumference of your head. The tape measure should sit level just above your eyebrows.

Small - 24"

Medium - 24.5"

Large - 25"

XL - 25.5"

2XL - 26"

3XL - 26.5"