Inner length: 26 inches / Inner length 15.5 cm 27 inches / Inner length 16.1 cm 28 inches / Inner length 16.7 cm 29 inches / Inner length 17.4 cm 30 inches / Inner length 18.1 cm 31 inches / Inner length 18.7 cm 32 inches / Inner length 19.4 cm 33 inches / Inner length 20.1 cm 34 inches / Inner length 20.8 cm 35 inches / Inner length 21.4 cm 36 inches / Inner length 22.1 cm 37 inches / Inner length 22.5 cm 38 inches / Inner length 23.0 cm 39 inches / Inner length 23.5 cm

Size is slightly smaller. Please refer to the inner length to choose the size. Inner length = foot length + 0.7~1 cm. For babies with wide feet, thick feet, or high arch, please increase the size appropriately.