36 (small size, take half a size up)37 (small size, take half a size up)37.5 (size up half a size if it’s too small)38 (too small, take half a size up)38.5 (size up half a size if it’s too small)39.5 (too small, take half a size up)40 (size up half a size for small size)40.5 (size up half a size for small sizes)41.5 (size up half a size too small)42 (size up half a size for small size)42.5 (size up half a size if it’s too small)43 (small size, take half a size up)44 (size up half a size for small size)45