Single-breasted suit jackets and blazers typically have two or three buttons (jackets with one or four buttons exist, but are not common), and a notch lapel, even though narrow peak lapels on single-breasted jackets have become popular during the 2000s.
Single-breasted suit jackets and blazers typically have two or three buttons (jackets with one or four buttons exist, but are not common), and a notch lapel. The width of the lapels is one of the most changeable aspects of the jacket, and narrow peak lapels on single-breasted jackets have become popular during the 2000s.