To put together a relaxed casual menswear style with a modern take, consider wearing a tan cable sweater and black chinos. Work boots are a guaranteed way to give a hint of stylish nonchalance to this getup. Can you see how very easy it is to look sharp and stay comfy when chillier weather hits, all thanks to combos like this one? Guys wondering how to sport modern casual style in your early 20s, this combo should answer your question.