This pairing of a white long sleeve shirt and a tank is very versatile and really up for whatever the day throws at you. With footwear, go for something on the more elegant end of the spectrum and finish your outfit with black leather loafers. This look is a surefire option if you're looking for a great, season-appropriate look. And if we're talking style tips for gentlemen in their 30s, this combination looks great on almost any gent.