Elevated Touch And Traction The Nike Jr. Mercurial Vortex Iii Older Kids' Indoor/Court Football Shoes Is Designed For Superior Touch And Excellent Traction On The Street Or When Playing Inside. Benefits Synthetic Leather Upper Provides Durability Textured Upper Creates Friction To Enhance Ball Manipulation Eva Foam Under The Heel Enhances Cushioning Internal Cage Provides Stability And A Locked-Down Fit Indoor/Court (Ic) Outsole For Traction On The Street, Court And Indoor Surfaces