The Nike Free 5.0+ Running Shoes have all the technological advances in their construction to keep you doing what you love to do the most: run fast. A Phylon midsole, Flywire technology, and sandwich mesh with no-sew overlays combine to give you superior cushioning, customized support, and an extremely durable running sneaker. Upper: synthetic; Outsole: rubber Imported Nike girls’ running sneakers Sandwich mesh, synthetic, and Flywire Phylon midsole High abrasion and flexible rubber outsole Style no. 580594 Kids' athletic footwear from Finish Line