?

Size:
CN 39 = US 6 = UK 5.5 = 240 MM
CN 40 = US 7 = UK 6.5 = 250 MM
CN 41 = US 7.5 = UK 7 = 255 MM
CN 42 = US 8.5 = UK 8 = 260 MM
CN 43 = US 9 = UK 8.5 = 265 MM
CN 44 = US 9.5 = UK 9 = 270 MM
CN 45 = US 10 = UK 9.5 = 275 MM
CN 46 = US 10.5 = UK 10 = 280 MM
CN 47 = US 11 = UK 10.5 = 285 MM
CN 48 = US 12 = UK 11.5 = 290 MM