Men's shoes sizes US 6=CN 38=24.0CM US 6.5=CN 39=24.5CM US 7=CN 40=25.0CM US 8=CN 41=25.5CM US 8.5=CN 42=26.0CM US 9.5=CN 43=26.5CM US 10=CN 44=27.0CM US 11=CN 45=27.5CM US 12=CN 46=28.0CM US 13=CN 47=28.5CM US 13.5=CN 48=29.0CM US 14=CN49=29.5CM Size: The size what you choose is not really US size. The US size is just for choose,which isn't the same as the shoes display in it. Please choose size as your foot length.Compare the detail sizes with yours when you buy. If your feet are a little fat and wide, please choose larger size! Thanks!