A sweatshirt and navy skinny jeans are among the crucial items in any man's well-edited casual sartorial arsenal. You could perhaps get a bit experimental on the shoe front and spruce up this getup by sporting a pair of dark brown suede chelsea boots. As you might be rightly thinking, this is a killer option come warmer weather. This combo should erase any doubts you had about dressing elegantly in your mid-20s.