If you are a woman, you can choose the right size according to the size of the following. Women 35 = Women US5.0 = length 225mm=8.84in (bare feet length) Women 36 = Women US6.0 = length 230mm=9.05in Women 37 =Women US6.5 = length 235mm=9.25in Women 38 = Women US7.5 = length 240mm=9.45in Women 39 = Women US8.5 =length 245mm=9.65in Women 40 = Women US9.0 =length 250mm=9.84in Women 41 = Women US9.5 =length 255mm=10.04in Women 42 = Women US10 =length 260mm=10.24in ======================================================== If you are a man, you can choose the right size according to the size of the following. Men 39 = Men US6.5 = length 245mm=9.64in Men 40 = Men US7.0 = length 250mm=9.84in Men 41 = Men US8.0 =length 255mm=10.04in Men 42 = Men US8.5 = length 260mm=10.23in Men 43 = Men US9.5 = length 265mm=10.43in Men 44 = Men US10 = length 270mm=10.63in Men 45 = Men US10.5= length 275mm=10.83in Men 46 = Men US11= length 280mm=11.03 in Men 47 = Men US12= length 285mm=11.23in Package Content: 1 x Shoes (Not including shoebox) Wish you a happy shopping !