Feiyue Classic Size Chart

US Men US Women EUR UK CM 
  4 36 2 23
  5 37 3 23.5
  6 38 4 24
7 39 5 25
6 8 40 6 25.5
7 9 41 7 26
8 10 42 8 27
9 11 43 9 27.5
10 12 44 10 28
11   45 10 28.5
12   46 11 29
13   47 12 29.5

Feiyue 1920 Size Chart

US Men US Women EUR UK CM 
  4 35 2.5 22
  5 36 3 23
  6 37 4 23.5
7 38 5 24
8 39 6 25
7 9 40 7 25.5
8 10 41 8 26
9 42 8 27
10 43 9 27.5
11   44 10 28
12   45 11 28.5