The Aero Knit is the lightest shoe in K-Swiss history and combines the very best in design and performance. The shoe features an aerodynamic upper with hidden laces and Infi-Knit technology providing protection and support. The Aero Knit also incorporates Surge technology for optimal cushioning and energy return, perfect for a competitive junior or adult player looking for a lightweight, comfortable shoe. Ideal for hard court or clay court playing surfaces.•Mesh Upper•Textile Collar Lining•Rubber Outsole•IMEVA Midsole•Molded EVA Sock Liner•Lace Closure