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Helmet Size Chart Z1-R Suomy Icon & AFX AGV Scorpion Troy Lee Designs
Hat Size Inches Centimeters
6 1/2 - 6 5/8 20 1/2 - 20 7/8 52-53 XX Small     XX Small    
6 5/8 - 6 7/8 20 7/8 - 21 5/8 53-54 X Small X Small X Small X Small X Small X Small
6 7/8 - 7 21 5/8 - 22 55-56 Small Small Small Small Small Small
7 1/8 - 7 1/4 22 3/8 - 22 3/4 57-58 Medium Medium Medium Medium Medium Medium
7 3/8 - 7 1/2 23 1/8 - 23 1/2 59-60 Large Large Large Large Large Large
7 5/8 - 7 3/4 24 - 24 3/8 61-62 X Large X-Large X-Large X-Large X-Large X-Large
7 7/8 - 8 24 3/4 - 25 1/8 63-64 XX Large XX-Large XX-Large XX-Large XX-Large XX-Large
8 - 8/18 25 1/4 - 25 5/8 65-66   XXX-Large