3D-F.S: Injection Molded TPU forefoot support. Responsiveness + Control. Dynamic Fit-DF1: HT Drop 6mm. Low to the ground court feel, comfort, + agility. Endofit: Elastic mesh inner sleeve construction. Intuitive fit + enhanced stability. R-DST: Reactive density heel & forefoot inserts. Superior cushioning + maximum rebound. Duralast: Outsole compound & design. Ultimate grip + unparalleled durability. 6-month outsole guarantee. UK7, 7.5, 8.5