- Quicklace features minimalistic, strong lace for One-pull tightening and easy-on, easy-off
- 2D-FS delivers enhanced support, responsiveness, lateral stability and control in the forefoot of the shoe
- Df2 provides cushioned court feel, yielding compromise between comfort and performance (Df2 = heel Drop 9 mm)
- Duralast consists of a high-density, consummately durable rubber compound that provides abrasion resistance and maximum traction on all surfaces
- R-dst augmented cushioning and rebound for comfort and responsiveness
