The K-Swiss Men's Aero Knit Tennis Shoe 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. FEATRUES Synthetic Leather Upper Textile Collar Lining Molded Rubber Outsole Molded EVA Midsole Molded EVA Sock Liner Lace Closure K-Swiss Shoes 06137-476