How to choose the appropriate size for anti-static shoes

Anti-static shoes general manufacturers size from 34 yards to 48 yards. 34 yards refers to the length of the foot, not the length of the sole. Of course, some manufacturers produce sizes that are too large or too small, which are not standard sizes.
Anti-static shoes are widely used in optical, electronic appliances, semiconductor production, instrumentation, microelectronics, bio-pharmaceuticals, food factories and other clean rooms or anti-static places, clean room workshops.
The conventional anti-static shoe size is from 34 yards to 48 yards, so what is the corresponding foot length?
34 yards: 22CM
35 yards: 22.5CM
36 yards: 23CM
37 yards: 23.5CM
38 yards: 24CM
39 yards: 24.5CM
40 yards: 25CM
41 yards: 25.5CM
42 yards: 26CM
43 yards: 26.5CM
44 yards: 27CM
45 yards: 27.5CM
46 yards: 28CM
47 yards: 28.5CM
48 yards: 29CM


