The Nike FREE 3.0 RUN + 2S Gray Yellow HUANG WOOL SKIN are barefoot-like shoes to enjoy comfortable and lightweight feelings. Nike Free Sale combines the feel of barefoot running with cushioning, traction and underfoot protection. For its lightweight and breathable performance, the shoe is so favored in the market. Quick-drying synthetic materials overlays for durability and support. Nike Free-inspired outsole, designed for traction and a natural range of motion.