Brown Fashionable Long Sleeve Pure Color Cotton Two-piece SetCotton. Intellectual Elegance. The Korean Style Long Sleeve Pure Color Cotton Two piece Set is the refined, sophisticated set for the modern woman who moves with intention. Cotton polyester fiber construction with an intellectual temperament commuter aesthetic clean solid colors and a polished silhouette that works from the office to a dinner out. Why You'll Love It Korean inspired design clean, minimal aesthetic that's always on trend Cotton blend