Welcome to AILIDUN shop Size Selection : NOTE:Please choose the shoes size according to your foot length,NOT insole length. You may need to adjust size accordingly if your foot is wide,narrow or high instep. Size 33 = Foot Length 21.0cm Size 34 = Foot Length 22.0cm Size 35 = Foot Length 22.5cm Size 36 = Foot Length 23.0cm Size 37 = Foot Length 23.5cm Size 38 = Foot Length 24.0cm Size 39 = Foot Length 24.5cm Size 40 = Foot Length 25.0cm Size 41 = Foot Length 25.5cm Size 42 = Foot Length 26.0cm Size 43 = Foot Length 26.5cm Size 44 = Foot Length 27.0cm Size 45 = Foot Length 27.5cm Size 46 = Foot Length 28.0cm Size 47 = Foot Length 28.5cm Size 48 = Foot Length 29.0cm Size 49 = Foot Length 29.5cm Size 50 = Foot Length 30.0cm