Size Chart Suggested by the seller. Only intended to be used as a reference. Fit may vary depending on materials and manufacturer.
United States & Canada UK, Europe & Australia CN/SG/JP HK Switzerland Circumference(mm)
5 0.5J 9 11 49.3
6 0.5L 11 13 12.75 51.9
7 0.5N 14 16 15.25 54.4
8 0.5P 16 17.75 57
9 0.5R 18 20.5 59.5
10 0.5T 20 23 62.1
11 0.5V 23 25 64.5
How to Measure
To choose the correct size, measure as follows.