Babolat Men's Propulse AC Tennis Shoes (Yellow/Blue) (11.5 D(M) US) Upper: Cell Shield technology offers support and ventilation where you need it most. Footbelt technology locks in the foot and the TI-Fit offers tennis-specific comfort and stability. Midsole: Side2Side EVA technology propels your foot forward on every step, while the Kompressor System in the heel offers extra cushioning to protect against harsh landings. Outsole: Michelin OCS2 rubber outsole with a special tread pattern provides exceptional traction and durability on any court surface. Backed by a six month durability guarantee. Color: Yellow / Blue; Weight:14.8 ounces (size 10.5) Item #: 30S16208U-228