adidas adizero Ubersonic 4 Clay Men's Tennis Shoes Chalk White/Metallic/Blue : Made with Primegreen recycled materials, the adidas adizero ubersonic 4 Clay blends eco-friendly comfort and sleek style. Stay cozy on the court in the sock-like Primeknit upper. Unleash your speed with every stride on the Lightstrike midsole. The Adiwear rubber outsole provides reliable traction to keep you in control of every movement. For players who want to unlock their quickness, the adidas adizero ubersonic 4 Clay is the key to your speed! What's New? Lightstrike midsole provides a lighter, more responsive feeling compared to the previous version. Who's it for? Aggressive movers who want a fast, flexible shoe to bring out their best on the court. Shoe Technology Upper: Primeknit upper provides comfort, breathability, and a sock-like fit. Woven mesh layer adds support for lateral movements and quick changes in direction. Midsole: Lightstrike midsole perfectly balances light and responsive cushioning while offering a close-to-court feel. Outsole: Adiwear outsole rubber adds long-lasting grip and control on clay courts.