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AFX Helmets
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. However, we suggest measuring at a few points both above and below that line to determine the greatest measurement before referring to our size tables. We also suggest testing the fit of a helmet one size smaller and one size larger then what the chart recommends. No helmet can provide protection if it's too uncomfortable to wear.

AFX Helmet Sizing Chart
ADULT HEAD	HELMET SIZE	HAT SIZE
21 1/4" - 21 5/8"	XS	6 3/4 - 6 7/8
22" - 22 7/16"	SM	7 - 7 1/8
22 13/16" - 23 1/4"	MD	7 1/4 - 7 3/8
23 5/8" - 24"	LG	7 1/2 -7 5/8
24 3/8" - 24 13/16"	XL	7 3/4 - 7 7/8
25 3/16" - 25 5/8"	2X	8 - 8 1/8
26" - 26 3/8"	3X	8 1/4 - 8 3/8
26 3/4" - 27 1/8"	4X	8 1/2 - 8 5/8

Youth Sizing Chart
YOUTH HEAD	HELMET SIZE	HAT SIZE
20 7/8" - 21 1/4"	Y-SM	6 5/8 - 6 3/4
21 1/4" - 21 5/8"	Y-MD	6 3/4 - 6 7/8
21 5/8" - 22"	Y-LG	6 7/8 - 7

We do not guarantee fit. This sizing chart is a suggested guideline only.