Medium - Alchemist Lux (Midnight) - Men's: To extend on the Alchemists popularity, the Alchemist LUX is an upscale edition of the playful iconic running silhouette. The LUX upper is upholstered in a combination of soft full grain and high quality nylon that is leather lined for maximum comfort. The rich upper is mounted to a blended cork midsole with a natural gum rubber outsole.