1 yard / large base length 11cm 
 2 yards / big bottom length 12cm 
 3 yards / big bottom length 13cm
US
EUR
UK
AUS
JPN
KOR
7
23
6
6
140
140
7.5
23.5
6.5
6.5
143
143
8
24
7
7
146
146
8.5
24.5
7.5
7.5
152
152
9
25
8
8
156
156
9.5
26
8.5
8.5
159
159
10
27
9
9
165
165
10.5
27.5
9.5
9.5
168
168
11
28
10
10
171
171
11.5
29
10.5
10.5
178
178
12
30
11
11
181
181
12.5
30.5
11.5
11.5
184
184
13
31
12
12
191
191
13.5
31.5
12.5
12.5
194
194