Black Souris Flat Classic DerbiesInspired by flamenco dance slippers, the emblematic Souris line features an upper and tongue made from a single piece of leather folded in on itself. These flat derbies are made from LWG Gold certified nappa lambskin leather, a soft, supple material characterized by its smooth feel and shiny appearance. Shiny nappa lamb leather Elongated square toe Lace up closure with waxed cotton laces Leather outsoles and insoles Made in Portugal