A jean jacket, also known as a denim jacket, is a type of outerwear made from denim fabric. It typically features a button-up front, two chest pockets, and a collar. The jacket is popular for its durability and versatility, making it suitable for various casual occasions. Originally designed for workwear in the late 19th century, the jean jacket has become a fashion staple over the decades. It can be worn by both men and women and is often paired with other casual clothing, such as t-shirts and jeans, creating a classic, coordinated look.