The adidas Adizero Ubersonic 4 Mens Tennis Shoes are speed enhancing all court shoes made in part with recycled materials. The Ubersonic 4 are the ultimate expression of speed on a tennis court. When you lace up these lightweight shoes, you can be sure that they will complement your all action style. Breathable and seamless, a 360 knit mesh upper keeps you comfortably locked in as you shift through the gears. It's reinforced internally to keep you stable through extreme cross-court movements. Underneath, low-profile Lightstrike cushioning ensures you're ready to respond in an instant.