This smart casual combo of a shirt jacket and a white turtleneck is very easy to put together without a second thought, helping you look seriously stylish and prepared for anything without spending a ton of time searching through your closet. Send your outfit in a whole other direction by wearing beige athletic shoes. If you're looking to stay snug this winter season and look stylish while doing so, this look is your ultimate inspiration. This combo proves that as a 20-something guy, you have a wide array of styling options.