For a casually dapper getup, try pairing a black print long sleeve shirt with black chinos — these pieces work really well together. Our favorite of a multitude of ways to complement this outfit is with a pair of black leather low top sneakers. Can you see how very easy it is to look on-trend and stay warm come chillier days, all thanks to outfits like this one? Perfect if you're on the lookout for some amazingly inspiring casual style for 20-year-old gents.