adidas adizero ubersonic 3 Men's Tennis Shoes Gray/Gray/Flash Orange : adidas AdiZero Ubersonic 3 tennis shoes continue to provide exceptionally stylish comfort on the court. This new update features a light, stretch mesh bootie-style fit that's protected by the Sprintframe and net mesh. Durable ADIWEAR 6 rubber on the outsole gives players the grip they need to move with speed and confidence during rallies. Upper: Stretch mesh bootie hugs the foot, providing superior fit and comfort. External Dual Density SPRINTFRAME construction ensures maximum heel support while preventing pronation. ADITUFF strategically placed TPU material in toe area and medial side provides long-lasting durability for the extreme abrasion that occurs during tennis movements. Midsole: 3D TORSIONA(R) provides adaptive midfoot support. Outsole: ADIWEAR 6 extremely durable outsole rubber provides secure grip in all direction for abrasive courts.