Upper material: suede
Inner material: comfortable inner

US        EUR        UK        AUS        JPN        KOR
5.5        37.5        5        5        23.5        241
6        38        5.5        5.5        24        245
6.5        38.5        6        6        24.5        248
7        39        6.5        6.5        25        251
7.5        40        7        7        25.5        254
8        41        7.5        7.5        26        257
8.5        42        8        8        26.5        260
9        43        8.5        8.5        27        263
9.5        43.5        9        9        27.5        267
10        44        9.5        9.5        28        270
10.5        44.5        10        10        28.5        273
11        45        10.5        10.5        29        276
11.5        45.5        11        11        29.5        279
12        46        11.5        11.5        30        283
12.5        46.5        12        12        30.5        286

Sole material: non-slip sole.