Color：gray; red; yellow<br />Dear Friend， our size is CN size， so it is smaller than yours <br />If you are not sure about your size， please leave us a message <br />We would like to help you choose the suitable size <br />Or you can refer to the following size or the size chart in the pictures<br />（When you measure your feet length， please stand with your foot firmly on the floor and parallel to the other foot， then measure it from the toe to the heel）<br />Thank you very much <br />US 6.5 = CN 39 = foot length 24.5cm <br />US 7= CN 40 = foot length 25cm <br />US 7.5 = CN 41 = foot length 25.5cm<br />US 8 = CN 42 = foot length 26cm <br />US 8.5= CN 43 = foot length 26.5cm <br />US 9= CN 44= foot length 27cm<br />There might be 1-3 cm size difference when we measure the product， <br />Hope your understanding!