adidas Performance Men's Adizero Ubersonic 2 Tennis Shoe 100% Synthetic Imported Rubber sole Breathable and flexible adidas Prime knit upper for an enhanced fit Abrasion-resistant ADITUFF wraps around the toe and medial forefoot to help protect against foot drag that occurs during serves, volleys and extreme lateral movements Webbing in midfoot for extra stability during fast cutting movements; TORSION SYSTEM for midfoot integrity Full-length ADIPRENE+ midsole for long-term, lightweight cushioning and extra resilience Sprint frame construction offers the perfect balance between light weight and stability; All-court outsole reinforced with mesh reduces weight