Size 23cm Although it hasn't been used very often, please refrain from purchasing if you are concerned about minor details. Cushioning with excellent responsiveness provides a balanced feel for everyday running. The combination of Cushlon 3.0 foam and a full-length Nike Air unit in the midsole delivers excellent energy return. In addition, an elastic band in the midfoot and extra space in the forefoot provide a comfortable and adaptable fit. Retail price: 9,500 #Winflo