Again, another term that has a different meaning, also depends on the time of day.
Before 6 p.m., the gentleman may wear a sports coat, either light or dark, depending on the weather and the geographic location of the event, with a casual shirt and no tie. You can also opt to wear a polo tee or a t-shirt under your jacket. You can wear khaki pants to go with sneakers or loafers.
See you next time,