US SIZE 5.0 = Chinese SIZE 36 = FOOT LENGTH 23.0cm
US SIZE 6.0 = Chinese SIZE 38 = FOOT LENGTH 24.0cm
US SIZE 6.5 =Chinese SIZE 39 = FOOT LENGTH 24.5cm
US SIZE 7.0 = Chinese SIZE 40 = FOOT LENGTH 25.0cm
US SIZE 8.0 = Chinese SIZE 41 = FOOT LENGTH 25.5cm
US SIZE 8.5 = Chinese SIZE 42 = FOOT LENGTH 26.0cm
US SIZE 9.5 = Chinese SIZE 43 = FOOT LENGTH 26.5cm
US SIZE 10 = Chinese SIZE 44 = FOOT LENGTH 27.0cm
US SIZE 13 = Chinese SIZE 47 = FOOT LENGTH 28.5cm
You may need to adjust size accordingly if your foot is wide,narrow or high instep.