M4/w6 size 36M5/w7 size 37M6/w8 size 38M7/w9 size 39-40M8/w10 size 41M9/w11 size 42-43M10/w12 size 44M11 size 45C8 size 24-25 inner length 14.5cmC9 size 25-26 inner length 15cmC10 size 27-28, inner length 16cmC11 size 28-29 inner length 17cmC12 29-30 size, inner length 18cmC13 size 30-31 inner length 19cmJ1 size 32-33, inner length 20cmJ2 size 33-34 inner length 21cmJ3 size 34-35, inner length 22cm
