Help surface material: suede With leather material: Mesh Sole Material: Plastic Toe style: Baotou Closed: Foot Season: spring and autumn Size: 19 over a long 13cm, 20 within the length 13.5cm, 21 over a long 14cm, 22 within the length 14.5cm, ????? 23 over a long 15cm, 24 within the length 15.5cm, 25 length 16cm, 26 within the length 16.5cm, ????? 27 inner length 17cm, 28 within the length 17.5cm, 29 over a long 18cm, 30 within the length 18.5cm ????? 31 length 19cm, 32 within the length 19.5cm, 33 over a long 20cm, 35 inner length 21cm