1. MEASURE YOUR HEAD. 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 2.5 cm (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. If you would like further detailed instructions on how to determine your correct size please look at our AFX Helmet Fitting Guide.
Size
Chart
Size
CM
Hat Size
Inches
X-Small
54-55cm
6 3/4-6 7/8
21 1/4"-21 5/8"
Small
56-57cm
7-7 1/8
22"-22 7/16"
Medium
58-59cm
7 1/4-7 3/8
22 13/16"-23
1/4"
Large
60-61cm
7 1/2-7 5/8
23 5/8"-24"
X-Large
62-63cm
7 3/4-7 7/8
24 3/8"-24
13/46"
2X-Large
64-65cm
8-8 1/8
25 3/16"-25
5/8"
3X-Large
66-67cm
8 1/4-8 3/8
26"-26 3/8"
4X-Large
68-69cm
8 1/2-8 5/8
26 3/4"-27 1/8"
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AFX FX-90 Passion Helmet
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