Innovative lacing system offers a custom fit and arch support Air-Sole unit in the heel for cushions impact XDR outsole for long-lasting durability and traction Boasting lightweight impact protection and a durable rubber outsole, the Nike Air Vapor Advantage Women's Tennis Shoe offers enhanced comfort and long-lasting stability right up until match point. A combination upper offers a comfortable fit without weighing you down, while a full-length Phylon midsole sports an encapsulated Air-Sole unit in the heel for reliable cushioning and shock absorption. Meanwhile, the XDR rubber compound outsole features a midfoot shank for enduring durability and excellent traction across the court.