Welcome ======= SIZE======= Please Choose the US size According to Feet Length, If Feet is Wide or Thick,Please Choose a Larger Size. 5.5 us = 23.0 cm= 36 eur = 3 uk 6 us = 23.5 cm = 37 eur = 3.5 uk 6.5 us = 23.8 cm =37/38eur=4uk 7 us = 24.0 cm = 38 eur = 4.5 uk 7.5 us = 24.5 cm = 39 eur = 5 uk 8 us = 24.8 cm =39/40eur=5.5 uk 8.5 us = 25.0 cm = 40 eur = 6uk 9 us = 25.5 cm =41/40eur=6.5 uk 9.5 us = 25.7 cm = 41eur = 6.5 uk 10 us = 26.0 cm = 42 eur = 7.5uk 10.5 us=26.5 cm = 43 eur = 8 uk 11 us = 27.0 cm = 44 eur = 8.5uk Ps: As you have seen, 8.5 us size =40 eur size in my store,even if 8.5 us size = 39 eur size on wish size chart .Because Chinese shoes may be a little smaller than usual , so for some size ,we may send a size larger than wish size chart ========Description======== Gender: Women Upper Material: Down Inside material: Plush Outsole Material: Rubber Insole Material: Rubber Heel Height: Flat ========Feedback======== If you meet any problem on the product,please contact me by ticket . I will reply you in 24 hours I will serve for you until solve your problem and make you satisfied. It is my honour to get your positive feedback (5 stars).