The most versatile and elegant business casual look for the modern everyday work lifestyle is the sport coat with a complimenting shirt, pair of dress pants, and maybe the optional complimenting tie. This allows your outfit to remain calm, comfortable, casual, yet well dressed and appropriate for business! You also have the chance to experiment with color here, as with sport coats, playing with colors such as burgundies, light blues, greens, and browns are entirely more acceptable than with a suit.