*This awesome tennis shoes were a Xmas gift; they were the wrong size and were used once; they are beautiful! On has teamed up with Roger Federer to create a high performing, technical tennis shoe for players of all levels. The ON The Roger Pro provides step-in comfort as the engineered mesh upper is breathable and supportive while high performance foam encapsulates your heels. The rounded bottom unit provides extra stability as the carbon fiber Speedboard helps add energy into every step keeping you quick to run every ball down. A specific outsole pattern offers great traction but also allows aggressive movers to slide on hard courts. While we can't guarantee you will move as smooth and gracefully as the Swiss Maestro, we certainly think this is a good place to start! Upper: Engineered Mesh provides support and breathability; midfoot cage ensures a locked-in fit for quick movement and added support Midsole: Carbon fiber Speedboard technology for energy return; high performance foam cushioning underfoot for a soft feel; Sidestep support and extended bottom unit to increase lateral stability Outsole: Rubber compound in a pattern designed to optimize traction and allow for sliding on the hard courts Color: White / Blue