Please choose size according to your feet length!<br /><br />CN 38 = US 6 = Foot Length 240 mm<br />CN 39 = US 6.5 = Foot Length 245 mm<br />CN 40 = US 7 = Foot Length 250 mm<br />CN 41 = US 8 = Foot Length 255 mm<br />CN 42 = US 8.5 = Foot Length 260 mm<br />CN 43 = US 9.5 = Foot Length 265 mm<br />CN 44 = US 10 = Foot Length 270 mm<br />CN 45 = US 11 = Foot Length 275 mm<br />CN 46 = US 12 = Foot Length 280 mm<br />CN 47 = US 12.5 = Foot Length 285 mm<br />CN 48 = US 13 = Foot Length 290 mm