Davida helmet size information.
Important:
If your head measurement falls between size ranges, order the next larger
size! Simply measure the full circumference of your head with a cloth
measuring tape held snugly around the widest portion of your head, above
the ears and around the forehead as illustrated.
Classic:
Classic Jet, Speedster:
Davida helmets are sized in centimeters. Use the charts below to convert inches or hat sizes to centimeters.
Inches to centimeters conversion:
20-7/8" = 53cm
21-1/4" = 54cm
21-3/4" = 55cm
22-1/8" = 56cm
22-1/2" = 57cm
22-7/8" = 58cm
23-1/4" = 59cm
23-5/8" = 60cm
24-1/8" = 61cm
24-1/2" = 62cm
24-7/8" = 63cm
25-1/4" = 64cm
Hat size to cenimeters conversion:
6 5/8=53cm
6 3/4=54cm
6 7/8=55cm
7 0/0=56cm
7 1/8=57cm
7 1/4=58cm
7 3/8=59cm
7 1/2=60cm
7 5/8=61cm
7 3/4=62cm
8 0/0=63cm
8 1/8=64cm