Hat Size

Inches

CM

S (small)

6 3/4 - 6 7/8

21 1/8 - 21 1/2

54 - 55

M (medium)

7 - 7 1/8

21 7/8 - 22 1/4

56 - 57

L (large)

7 1/4 - 7 3/8

22 5/8 - 23

58 - 59

XL (extra lg)

7 1/2 - 7 5/8

23 1/2 - 23 7/8

60 - 61

S/M (small/med)

6 3/4 - 7 1/8

21 1/8 - 22 1/4

54 - 57

L/XL (large/xlg)

7 1/4 - 7 5/8

22 5/8 - 23 7/8

58 - 61