A jean jacket, also known as a denim jacket, is a casual outerwear piece made from sturdy cotton fabric. It typically features a button-up front, chest pockets, and a collar. Originally designed for workwear in the late 19th century, it has evolved into a popular fashion staple for both men and women. Jean jackets come in various styles, colors, and fits, allowing for personal expression. They can be worn over t-shirts, dresses, or layered with other clothing. This versatile garment is often associated with rock and roll culture and has been embraced by many fashion trends over the decades.