Wilson Rush Pro Glide Men's Tennis Shoes (Red/Blue) 3D-F.S - Provides unparalleled support, increased response time, and supports explosive acceleration with controlled deceleration. Endofit - Provides enhanced comfort, stability and an overall intuitive fit experience. Dynamic Fit-DF1 - Provides the best forefoot responsiveness, lowest to the ground court feel, and dynamic comfort for the serious tennis player. Duralast - Improves court traction and grip for maximum wear and durability.