Regular fit Lace closure Textile and synthetic upper Textile lining Lightstrike cushioning Fuel Your Fast With This Y-3 Take On Lightning-Quick Adidas Adizero Cybersonic 2 Tennis Shoes. Their Mesh Upper Keeps You Light On Your Feet, While Energyrods Limit Energy Loss And Promote Rapid Direction Changes. A Lightstrike Outsole Cushions Every Sprint On Hard Courts.