A jacket is a type of outerwear designed to provide warmth and protection from the elements. Typically made from materials like cotton, leather, or synthetic fabrics, jackets come in various styles, including bomber jackets, denim jackets, and blazers. They often feature zippers or buttons for closure and may include pockets for convenience. Jackets are worn by people of all ages and can be suitable for different occasions, from casual outings to formal events. They are available in various sizes, colors, and designs, allowing individuals to express their personal style while staying comfortable and protected.