Model : Shoes for Men 1667 Nike’s Flyknit technology was first inspired by feedback from runners who wished to have a shoe with the close snug fit of a sock; four years later, a one-layer solution was developed combining breathability, flexibility and enhanced support. No-sew film overlays, visible Air Max heel unit, dual density foam midsole and signature Waffle outsole. Code: 107109Fabric & Wash:Fabric: Textile upper, Textile lining and Other Materials Sole. Product Care: To maintain appearance we recommend removing any light marks with a clean and damp sponge or cloth. Style: Nylon Running.