Upper height: middle
Sole material: PU
Upper material: EVA
Technology: Breathable Technology

21 yards / inner length about 12.5cm, 22 yards / inner length about 13cm, 23 yards / inner length about 13.5cm, 24 yards / inner length about 14cm, 25 yards / inner length about 14.5cm, 26 yards / inner length about 15cm , 27 yards / inner length about 15.5cm, 28 yards / inner length about 16cm, 29 yards / inner length about 16.5cm, 30 yards / inner length about 17cm, 31 yards / inner length about 17.5cm, 32 yards / inner length about 18cm, 33 yards / inner length about 18.5cm, 34 yards / inner length about 19cm, 35 yards / inner length about 19.5cm, 36 yards / inner length about 20cm, 37 yards / inner length about 20.5cm, 38 yards / inner length 21cm