Shoei Helmets Sizing Information
How to sizeSIZE | INCHES | CM | HAT SIZE | ||
XX-SMALL | 20 1/2 | 52 | 6 1/2 | ||
X-SMALL | 20 7/8 - 21 1/4 | 53-54 | 6 5/8 - 6 3/4 | STANDARD CENTER PAD SIZE | OPTIONAL CENTER PAD SIZES |
SMALL | 21 5/8 - 22 | 55-56 | 6 7/8 - 7 | SMALL 13MM | SMALL 5 OR 13MM |
MEDIUM | 22 1/2 - 22 7/8 | 57-58 | 7 1/8 - 7 1/4 | SMALL 9MM | SMALL 5 OR 13MM |
LARGE | 23 1/4 - 23 5/8 | 59-60 | 7 3/8 - 7 1/2 | MEDIUM 9MM | MEDIUM 5 OR 13MM |
X-LARGE | 24 - 24 3/8 | 61-62 | 7 5/8 - 7 3/4 | LARGE 9MM | LARGE 5 OR 13MM |
XX-LARGE | 24 3/4 - 25 1/8 | 63-64 | 7 7/8 - 8 | X-LARGE 9MM? | X-LARGE 5 OR 13MM |
XXX-LARGE | 25 1/2 - 26 | 65-66 | 8 1/8 - 8 1/4 | X-LARGE 5MM | X-LARGE 9 OR 13MM |