Design: Designed for wear on hard court surfaces Padded tongue features breathable mesh to keep you cool Heel is specifically designed for rocker-like movements, like pulling back for a serve Strong midfoot plastic plate adds stability for quick cuts and power to your game when transferring energy motion to motion Webbing around the eyestays combined with the plate offer a sort of “hugged” containment when moving side-to-side This special design pays tribute to the second slam, with inspiration drawn directly from the tournament's iconic playing surface In-Shoe Comfort: The heel is extra padded to keep you comfortable and supported Forefoot Air Zoom unit helps you play on your toes and puts a pop in your 1st step Heel Air Zoom unit provides extra support Cushioned insole for added comfort Durability & Traction: Extra rubber in the toe area, specifically the medial toe, to help avoid excessive wear and tear High abrasion rubber in the forefoot offers durability and traction