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Sizing Chart - H&H Helmets

Adult Sizing Chart
Size Centimeter Hat Size Inches
XS 53-54 6-5/8 to 6-3/4 20-7/8 to 21-1/4
S 55-56 6-7/8 to 7 21-5/8 to 22
M 57-58 7-1/8 to 7-1/4 22-1/2 to 22-7/8
L 59-60 7-3/8 to 7-1/2 23-1/4 to 23-5/8
XL 61-62 7-5/8 to 7-3/4 24 to 24-3/4
2XL 63-64 7-7/8 to 8 24-3/4 to 25-1/4
Youth Sizing Chart
Size Centimeter Hat Size Inches
Youth S 49-50 6-1/8 to 6-1/4 19-1/4 to 19-3/4
Youth M 51-52 6-3/8 to 6-1/2 20 to 20-1/2
Youth L 53-54 6-5/8 to 6-3/4 20-7/8 to 21-1/4
Youth S/M 49-50 6-1/8 to 6-1/4 19-1/4 to 19-3/4
Youth L/XL 51-52 6-3/8 to 6-1/2 20 to 20-1/2