Tailored blazers Both formal and casual, dressed and relaxed, professional and sexy. The blazer has it all! The perfect item to wear over summer tops in the winter and the ideal replacement for the jacket in the summer. The blazer is appropriate for all styles and occasions and is a must-have for every woman. To the office you wear a plain one in a neutral color, for a day of shopping you might pick a brightly colored, printed or leather blazer. A real power outfit can be created by adding a leather blazer to your look.