K-Swiss TFW Ultrashot 3Its called the Ultrashot for a reason. For those who demand the highest level of performance, support, and durability for on court movement, we give you the Ultrashot 3. Worn by ATP and WTA professional athletes, the Ultrashot 3 offers maximum energy return with Surge 7. 0 midsole technology, 360 Plantar Chassis Support for unlimited lateral movement, and Dragguard 7. 0 incorporated into a new durable outsole with superior grip and traction.