Metric
Other
6 3/8
6 1/2
52
S
6 5/8
53
6 3/4
54
6 7/8
55
7
56
M
7 1/8
57
7 1/4
58
ML
7 3/8
59
L
7 1/2
60
7 5/8
61
XL
7 3/4
62
7 7/8
63
XXL
8
64