For an outfit that's worthy of a modern fashion-forward gentleman and effortlessly classic, wear a navy shirt jacket and a grey crew-neck sweater. Give a more relaxed twist to this ensemble with a pair of white canvas low top sneakers. Keep this ensemble in mind come warmer weather, and we promise you'll save a lot of time crafting what to wear on more than one occasion. Sport this combo to look a bit classier than a regular 20-year-old.