Asics solution for speed on the court the Asics Mens Gel Solution Speed Tennis Shoes are designed for the elite player and offer the best in lightweight performance technologyUpper Fulllength Flexion Fit upper provides formfitting comfort without sacrificing support PHF Personal Heel Fit features memory foam lined heel collar for comfort and a personalized fitMidsole Rearfood and Forefoot GEL Cushioning System with Solyte midsole provides superior cushioning propulsion and lightweight supportOutsole Propulsion Trusstic System reduces sole unit weight while retaining structural integrity and providing responsive support with PGuard Toe protector for durabilityColor Black Flash Yellow Lightning