Helmet Fit Chart

To measure your correct helmet size, measure the circumference of the head, like a headband, one inch above the eyebrows, above the ears.  Match inch measurement to chart.  If between sizes, choose the next larger size. Helmet should fit snugly but not overly tight.

Inch Around cm Hat Size Gmax Fly Oneal 20-1/2" 53 6-1/2 XXS     20-7/8" 54 6-5/8 XXS XS   21-1/4" 55 6-3/4 XS XS   21-5/8" 56 6-7/8 XS Small   22" 57 7 Small Small Small 22-3/8" 58 7-1/8 Small Medium   22-3/4" 59 7-1/4 Medium Medium Medium 23-1/8" 60 7-3/8 Medium Large   23-1/2" 61 7-1/2 Large Large Large 24" 62 7-5/8 Large XL   24-3/8" 63 7-3/4 XL XL XL 24-3/4" 64 7-7/8 XL XXL   25-1/8" 65 8 XXL XXL XXL