This semi-casual combo of a grey overcoat and a beige zip sweater is extremely easy to put together in next to no time, helping you look awesome and prepared for anything without spending a ton of time combing through your closet. For times when this outfit is too much, play it down with a pair of dark green athletic shoes. Wondering how to perfect casual looks as you make your way through your 20s? This pairing is a vivid example.