Size Chart

UK Size

Euro Size

US Size

Diameter (mm)

J

48.7

5.0

15.5

K

50.0

5.5

15.9

L

51.2

6.0

16.3

M

52.5

6.5

16.7

N

53.8

7.0

17.1

O

55.1

7.5

17.5

P

56.3

8.0

17.9

Q

57.6

8.5

18.3

R

58.9

9.0

18.8

S

60.2

9.5

19.2

T

61.4

10.0

19.6

U

62.7

10.5

20.0