Serve up nothing but your best in the Nike® Air Zoom Ultra tennis shoe.This brand is a member of the Sustainable Apparel Coalition.Woven sandwich mesh and thin synthetic upper materials. Lace-up closure. Lightly padded tongue and collar. Breathable fabric lining.Removable foam insole. Phylon midsole with Zoom Air forefoot and heel cushioning provides supportive underfoot plush. TPU mid-foot shank resists twisting and boosts stability. Non-marking rubber outsole features a tight herringbone traction pattern for optimal traction on the court. Imported. Measurements: Weight: 12 ozProduct measurements were taken using size 11, width D - Medium. Please note that measurements may vary by size.