B02B Nk Spark Flyknit Nike's new cushioning technology running shoe # features a fully woven Flyknit structure on the upper for a refreshing look. There are perspective windows on the side and inner boots similar to socks, making the visual effect of the entire pair of shoes quite special# Equipped with the new Sprak midsole technology, it is made of dual density foam. The layered midsole is sandwiched with a layer of hard plastic plate. With new midsole technology and multi-layer structure, the cushioning experience after getting on the foot is bound to be no small surprise. Article No.: DJ6945-200 Size: 36 36.5 37.5 38 38.5 39 40 40.5 41 42 42.5 43 44 45