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Kimpex Rouski

Helmet Size Convention Chart
Size Centimeters Hat Size Inches
XS 53-54 6 5/8 - 6 3/4 20 7/8 - 20 1/2
S 55-56 6 7/8 - 7 21 5/8 - 22
M 57-58 7 1/8 - 7 1/4 22 1/2 - 22 7/8
L 59-60 7 3/8 - 7 1/2 23 1/4 - 23 5/8
XL 61-62 7 5/8 - 7 3/4 24 - 24 3/8
2XL 63-64 7 7/8 - 8 24 3/4 - 25 1/4
3XL 65-66 8 1/8 - 8 1/4 25 3/8 - 26
4XL 67-68 8 3/8 - 8 1/2 26 3/8 - 26 3/4
5XL 69-70 8 3/4 27 1/4 - 27 5/8