Material: upper bunk wearable for EVA, flexible and very comfortable, with one word for silk, pinch point for the canvas, do not wear the foot soles of pure rubber, non-slip design! Codons: 6 7 8 3 yards 6- Bottom long 23.5CM (usually 35 for 36 yards wearing) 7- end of a long 24CM (suitable for everyday wearing 37 yards) 8- base length 25CM (suitable for everyday wearing 38 39 yards) SIZE10: shoes long -26.0cm (suitable for everyday wear 39-40) SIZE11: shoes long -27.0cm (suitable for everyday wear 41) SIZE12: shoes long -27.6cm (suitable for everyday wear 42-43) Parents who need a few yards if unsure, use a ruler under their feet length (maximum length of the foot), to select the appropriate code relative. Shopkeeper recommend shoes Bigfoot 1 cm more appropriate. Size selection and pro decide Oh, thank you. Size options: parents who need a few yards if unsure, use a ruler under their feet length (maximum length of the foot), to select the appropriate code relative.