A cardigan is a type of knitted garment that is typically open at the front and fastened with buttons or a zipper. It is usually made from wool, cotton, or synthetic fibers, providing warmth and comfort. Cardigans come in various styles, lengths, and colors, making them versatile for different occasions and seasons. Originally named after the 7th Earl of Cardigan, who popularized the style in the 19th century, cardigans have become a staple in many wardrobes. They can be worn over shirts, dresses, or t-shirts, and are often associated with casual or semi-formal attire.