The Nike Revolution 2 Running Sneakers are designed with a combination of synthetic leather for durability and mesh for the ultimate in breathability, so that little feet will stay dry. These runners will stand up to all types of activities, offering the cushioning, support and traction kids need. Upper: synthetic; Outsole: rubber Imported Nike boys’ running sneakers Upper: Synthetic overlays with mesh Midsole: Padded footbed and Phylon Style no. 555084 Kids' athletic footwear from Finish Line