Size chart:
9.5 = Size 36 / 37 (24 cm)
10 =
Size
38 (25 cm)
10.5 =
Size
39 / 40 (26.5 cm)
11 =
Size
41 - 42 (27.5 cm)
Material:
natural rubber vintage used by Korean artist and is so popular in Indonesia. So comfortable...