Why not choose a brown knit turtleneck and brown chinos? As well as super functional, these items look nice when married together. And if you want to immediately spruce up your getup with one item, introduce dark brown suede chelsea boots to the equation. Perfect to show the world that even as a 20-year-old guy you're confident enough to hold your own in the outfit department.
Brown Knit Turtleneck with Brown Chinos Outfits In Their 20s
This combo of a brown knit turtleneck and brown chinos is proof that a safe casual ensemble doesn't have to be boring. On the shoe front, go for something on the classier end of the spectrum and finish off this outfit with brown leather brogues. As you're heading into your 30s, you want to start dressing more maturely. That's when looks like this are a foolproof option.