If you are a woman, you can choose the right size according to the size of the following.
shoes Size EU 36 = US Size 5 = UK Size 3 = shoes length 230
shoes Size EU 37 = US Size 6 = UK Size 4 = shoes length 235
shoes Size EU 38 = US Size 7 = UK Size 5 = shoes length 240
shoes Size EU 39 = US Size 8 = UK Size 6 = shoes length 245
shoes Size EU 40 = US Size 9 = UK Size 6.5 = shoes length 250
shoes Size EU 41 = US Size 10 = UK Size 7 = shoes length 255
Wish you a happy shopping!