Express Black Twill One-Button Single-Breasted Blazer Jacket Women's 0 The Express Black Twill One-Button Single-Breasted Blazer Jacket is a stylish and versatile piece for women's formal and workwear occasions. Made from a polyester and spandex blend, this blazer features a classic solid black color with a notch lapel and four-button sleeve detail. The jacket is lined for added comfort and has a single-breasted front closure with a one-button design. With a regular length and long sleeves, this blazer from Express is perfect for the winter, fall, and spring seasons, adding a touch of classic style to any outfit.