The Exclusive On X Kith Roger Federer 'The Roger Pro' On Running Tennis Shoe in Blue is a stylish athletic shoe designed for tennis players. Featuring a low top design with a lace-up closure, this shoe offers comfort and a secure fit on the court. The solid blue color and signature On branding make it a sleek and unique choice for any tennis enthusiast. With a UK shoe size of 6 and US shoe size of 8, this shoe is perfect for players looking for a high-performance option for their game. RF² collection.