Adaptive fit technology combines with lightweight textiles to create a zero distraction upper, so you can stay focused on your game. Nike Zoom unit in the heel with a Phylon™ midsole offers lightweight responsive cushioning that returns energy into your next step to make you more explosive. XDR rubber is in a herringbone pattern on the outsole for excellent hard court traction and the visible midfoot shank allows for a great transition into each step. Wt. 13.7 oz.