Boys' Fila Little Kid & Big Kid Firetrail Evo Running Shoes The Fila Firetrail Evo Running Shoes are built for speed, comfort, and all-day play. Featuring a breathable mesh upper with sturdy synthetic overlays, these runners keep feet cool and supported through every activity. A cushioned midsole absorbs impact for a smoother stride, while the grippy rubber outsole delivers dependable traction on multiple surfaces—perfect for school, sports, and weekend adventures.