The Ultrashot 3, now available with a Grass Court outsole, is built for competitive, aggressive, and powerful tennis players who demand a shoe with the highest level of performance. The Ultrashot 3 offers maximum energy return with Surge 7.0 midsole technology; Stability from our 360 Plantar Chassis; and Dragguard 7.0 for durability. Worn by ATP and WTA professional athletes. The outsole is made for usage on grass courts. Synthetic Leather Upper Textile Collar Lining Rubber Outsole IMEVA Midsole EVA Sock Liner Lace Closure