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MSR Adult Helmets Sizing Chart
Adult Helmets (measure around the head just above the ears and across the forehead)
SIZE |
HEAD MEASURES (IN) |
HEAD MEASURES (CM) |
HAT |
X-SMALL |
20.9" - 21.3" |
53cm - 54cm |
6 1/2" - 6 5/8" |
SMALL |
21.7" - 22" |
55cm - 56cm |
6 3/4" - 6 7/8" |
MEDIUM |
22.4" - 22.8" |
57cm - 58cm |
7" - 7 1/8" |
LARGE |
23.2" - 23.6" |
59cm - 60cm |
7 1/4" - 7 3/8" |
X-LARGE |
24" - 24.4" |
61cm - 62cm |
7 1/2" - 7 5/8" |
2X-LARGE |
24.8" - 25.2" |
63cm - 64cm |
7 3/4" - 7 7/8" |
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