This smart casual combo of a grey dress shirt and grey jeans is extremely easy to put together in no time, helping you look awesome and ready for anything without spending a ton of time searching through your closet. If you don't want to go all out formal, complete your ensemble with a pair of brown athletic shoes. As a young gent, you want to start dressing more like a mature gentleman. If that's the case, ensembles like this are ideal as inspiration.