Shoei RF-1000

SIZE

HAT SIZE

CM

INCHES

XXS

6 3/8 - 6 1/2

51 - 52

20 1/8 - 20 1/2

XS

6 5/8 - 6 3/4

53 - 54

20 7/8 - 21 1/4

S

6 7/8 - 7

55 - 56

21 5/8 - 22

M

7 1/8 - 7 1/4

57 - 58

22 1/2 - 22 7/8

L

7 3/8 - 7 1/2

59 - 60

23 1/4 - 23 5/8

XL

7 5/8 - 7 3/4

61 - 62

24 - 24 3/8

XXL

7 7/8 - 8

63 - 64

24 3/4 - 25 1/8

XXXL

68 1/8 - 8 1/4

65 - 66

25 5/8 - 26