Size reference
US size 6 = 23 cm (foot length)
US size 7 = 23.6 cm (foot length)
US size 7.5=23.93 cm (foot length)
US size 8 = 24.3 cm (foot length)
US size 8.5=24.63 cm (foot length)
US size 9=24.9 cm (foot length)
US size 9.5=25.6 cm (foot length)
US size 10=26.3 cm (foot length)
US size 11=26.9 cm (foot length)
US size 12=27.5cm (foot length)
