The history of business casual attire for men originated from the emblematic period of chic yet relaxed allure of the 1960s.

Business casual attire has always been difficult to define ... Generally, business casual for men includes chinos or slacks, a button-down shirt, a belt, dress socks and dress shoes.

So what is semi-formal for men? We've got you ... It hits that sweet spot between formal and business casual—less rigid than formal attire but still more polished and put-together than business ...