Designed to help you feel ultralight and ultra-fast, the NikeCourt Air Zoom Ultra Rct Hard Court Premium Men's Tennis Shoe is built with adaptive lacing, durable materials and responsive cushioning. Adaptive Lockdown Ultralight yet super-strong Flywire cables integrate with the laces for support and a dynamic fit as you cut and sprint. Lightweight Durability The high-wear toe and arch areas of the shoe are layered with Kurim©, a lightweight, flexible rubber that adds durability without extra weight. Maximum responsiveness Nike Zoom Air cushioning in the heel and forefoot is incredibly responsive, designed to snap back after landings to help power your next move. A full-length Pebax® plate underfoot also helps amplify your step.