Nike's FS Lite Trainer 4 Men's Cross Trainers give you all the support you need for an intense workout. Design and technology work together for a winning combination on these shoes. Flywire cables in a chain link pattern give a locked-down fit and the rubber outsole grips with its aggressive traction pattern. Features: Flywire technology for a locked-down fit. Dual-density midsole for extra responsiveness. Zonal rubber outsole adds grip. Lightweight fit. Forefoot and collar open mesh for ventilation and comfort. Nike. 58% textile, 42% synthetic. Trainers & Plimsolls. Cross Trainers.