OPEN YY is a Seoul-based contemporary fashion label founded by designer Youngseul Yoon — the name standing for Open by YY, a declaration of boundless, unrestricted creativity. Drawing deeply from vintage references and transitional dressing, the brand blends soft, muted palettes with deconstructed silhouettes that feel at once nostalgic and forward-thinking. Each collection explores the art of effortless layering and relaxed proportions, resulting in pieces that move fluidly between seasons and occasions. OPEN YY has garnered recognition in Korea's fashion community for its thoughtful approach to modern femininity: wardrobe staples that feel personal, quietly expressive, and enduringly chic.