Maison Margiela Ballerina pumps 7.5

Maison Margiela Black Tabi Ballerina Heel 37.5EU, Maison Margiela Black Tabi Ballerina Heel 37.5EU Bought these on SSENSE last year, i love these its just I accidentally bought a size up and its too big for me. I have the backing on which is suede as these were rubbing the back of my feet but now it doesnt do that :) Super cute and comfy!!! I have the guarantee card as pictured and the dust bags and the box in original packaging