Standard Hats

Head (cm)

UK

XS

52-53

6.375-6.500

S

54-55

6.833-6.750

M

56-57

6.875-7

L

58-59

7.125-7.250

XL

60-61

7.375-7.500

XXL

62-64

7.625-7.875

New Era Hats

Head (cm)

UK

S/M

55.8

6.875

M/L

56.8-57.7

7-7.125

L/XL

58.7

7.250

XL/XXL

59.6-60.6

7.375-7.500

Flex Fit Hats

Head (cm)

UK

S/M

53-55.8

6.500-6.875

M/L

56.8-57.7

7-7.125

L/XL

58.7

7.250

XL/XXL

59.6-60.6

7.375-7.500