Nike React Vapor NXT Women's Tennis Shoes Black/White/Metallic Red Bronze : Be at your best during fast and intense matches in the Nike React Vapor NXT! Replacing the Air Zoom Vapor X Knit, the NXT is the first tennis shoe to include Nike React technology to increase comfort on the court. Slip into a sock-like upper with Flyweave technology that acts as a second skin to mimic every movement. Enjoy a soft, close-to-the-ground feel from the Nike React foam midsole, which helps you explode toward the ball. The herringbone outsole uses a data-driven design to help you slide smoothly on the court. Who's it for? Tennis players searching for a shoe that combines durability and comfort during the match. Players who wore the Air Zoom Vapor X Knit and are looking for a replacement shoe. Shoe Technology Upper: Flyweave textile upper provides comfort and support during on-court movements. Full-length sleeve creates a snug, sock-like fit. Midsole: Nike React delivers a smooth ride and provides a soft, close-to-the-ground feel to help you push off during fast movements. Stiff frame on the lateral side creates a stable feel during side-to-side movements. Outsole: Herringbone outsole uses a data-informed design to create excellent grip without impacting your ability to slide.