Inov-8 Men's F-Lite 240 Cross-Training Shoe Mesh^Synthetic Imported Injected EVA - Increased shock attenuation, responsive cushioning and durability. TPU - For enhanced forefoot protection. Synthetic - Blended with the midsole to give this barefoot trainer great comfort and protection. F-Lite - Outsole compound which offers superb traction and high performance. Precision Fit - A close, precise fit ensures minimal internal movement. Ideal for athletes with a narrower forefoot.