Sidi Sizing Chart

This table appears on the back of the Sidi boxes. This format is useful for US Men’s, UK and Japanese size conversion:

And here is the same information in a chart format. This chart also lists Ladies/European conversions:

USA
Woman’s
USA
Men’s
European
Men/Women
4 ½ 3 ½ 36
5 ½ 4 ½ 37
6 ½ 5 ½ 38
7 6 39
8 7 40
8 ½ 7 ½ 41
42
10½ 43
- 10 44
- 11 45
- 11½ 46
- 12½ 47
- 13 48
- 14 49
- 14½ 50