A suit jacket is a formal outer garment typically worn as part of a suit. It is designed to be tailored and fitted, often featuring structured shoulders, a notched or peaked lapel, and a single or double-breasted front. Suit jackets are usually made from materials like wool, cotton, or synthetic blends, and they come in various colors and patterns, with navy blue and charcoal gray being popular choices for business attire. Suit jackets are versatile and can be paired with dress pants for formal occasions or with jeans for a smart-casual look. They often include pockets for functionality and may have decorative elements like buttons or stitching. Wearing a suit jacket can enhance one's appearance, making it a staple in professional wardrobes and formal events.