US size 6-7 =Send Brand Size 40/41=23.9-24.8 CM,
US size 7.5-8 =Send Brand Size 42/43=24.9-25.8 CM,
US size 9-9.5 =Send Brand Size 44/45=25.9-26.8CM,
US size 10-11 =Send Brand Size 46/47=26.9-28.0 CM,
US size 11.5-12 =Send Brand Size 48/49=28.1-29.0 CM,
US size 12.5-13 =Send Brand Size 50/51=29.1-30.0 CM