The "Halmoni Jokki (할머니 조끼)" of Korea: A warm and lightweight sleeveless vest, characterized by retro floral patterns and quilting, beloved by Korean grandmothers. Also known as the "grandma vest," it's a popular winter fashion item in Korea, even among K-pop idols. Originally used to combat the cold during "kimjang" (making kimchi), it's made with materials like fleece lining and quilting, and is also a popular souvenir.