Design: Durable, breathable mesh on upper keeps you cool and comfortable Flexible forefoot due to smaller Air Zoom unit placed where the foot feels most impact Improved feel provides extra security around the midfoot and heel for sharper cuts The supportive forefoot piece has a deeper flex notch to improve flexibility Rubber toe tip In-Shoe Comfort: Responsive Air Zoom cushioning at the highest push-off point of your forefoot A full midfoot fit band helps you pull the laces tighter to enhance the fit and enable faster cuts Durability & Traction: Outsole is made of a new rubber compound that is lighter than previous Vapor models, allowing you to decelerate, plant and back into position without feeling like you're rounding off your cuts Additional Details: Designed for wear on hard court surfaces The more you wear this shoe, a different color will appear on the outsole