NEW!! I purchased these from a live show not realizing that they are literally a tennis shoe...a shoe for playing tennis in. 😅🤦🏻‍♀️ Women's Adidas adizero Cybersonic Tennis Shoe, size 9. Women's tennis shoes built for practice and performanceThe Future of Fast has arrived. Designed for accelerated movement on court, the adidas Cybersonic is built to provide speed and acceleration to players that look to dictate the game, enabling them to change direction energetically and to make that extra quick first step. The Energy Rods and the Dual Density Lightstrike midsole provide the perfect combination of support and push off. The lightweight breathable upper and the GEOFIT heel construction combine dynamic feel and agile support.ADIDAS LIGHTSTRIKE: adidas Lightstrike is redefining the next generation of speed with a super-light midsole designed for dynamic, lightweight movementENERGYRODS: ENERGYRODS limit energy lossADIWEAR OUTSOLE: Adiwear outsole offers the ultimate in high-wear durabilityMADE IN PART WITH RECYCLED CONTENT: This product features at least 20% recycled materials.