Size：
US SIZE 6.5=EU SIZE 39=Foot length =9.64 inches=24.5cm
US SIZE 7=EU SIZE 40=Foot length =9.84 inches=25.0cm
US SIZE 8=EU SIZE 41=Foot length =10.04 inches=25.5cm
US SIZE 8.5=EU SIZE 42=Foot length =10.24 inches=26.0cm
US SIZE 9.5=EU SIZE 43=Foot length =10.43 inches=26.5cm
US SIZE 10=EU SIZE 44=Foot length =10.63 inches=27.0cm
US SIZE 11=EU SIZE 45=Foot length =10.84 inches=27.5cm
US SIZE 12=EU SIZE 46=Foot length =11.05 inches=28.0cm
US SIZE 13=EU SIZE 47=Foot length =11.22 inches=28.5cm