AFX Adult Helmets Size Chart

FX-90 Freedom Helmet
Helmets
Size Hat Size Inches
X-Small 6 3/4 - 6 7/8 21 1/4 - 21 5/8
Small 7 - 7 1/8 22 - 22 7/16
Medium 7 1/4 - 7 3/8 22 13/16 - 23 1/4
Large 7 1/2 - 7 5/8 23 5/8 - 24
X-Large 7 3/4 - 7 7/8 24 3/8 - 24 13/16
2X-Large 8 - 8 1/8 25 3/16 - 25 5/8
3X-Large 8 1/4 - 8 3/8 26 - 26 3/8
4X-Large 8 1/2 - 8 5/8 26 3/4 - 27 1/8

Sizing information is provided by the manufacturer and does not guarantee a perfect fit. Please use this chart as a guide only.

Determine the circumference of the widest part of your head by using a flexible tape measure. Generally, the widest part of a person's head is the area 2.5cm (1") above the eyes and ears.