Nike Darwin-Men's Shoe-MODERN SIMPLICITY WITH A FEATHERWEIGHT FEEL.-The Nike Darwin Men's Shoe merges lightweight comfort with performance innovation. It's crafted with a sleek mesh upper and built-in dynamic Flywire cables for flexible, locked-down comfort. An injected unitsole provides a smooth ride with rubber pods for traction.-- Sleek mesh upper is breathable and lightweight.-Dynamic Flywire cables deliver flexible, locked-down support.-Injected unitsole provides ultra lightweight cushioning.-- Textile (100% Polyester)