A blazer and a long sleeve t-shirt have become true casual staples for most gentlemen. If you want to effortlessly perk up your look with one single piece, finish off with burgundy leather brogues. When it comes to casual style tips for guys in their thirties, this outfit looks nice on most men.
If you gravitate towards off-duty outfits, why not wear this pairing of a blazer and a long sleeve t-shirt? Red plimsolls tie the getup together. Ideal if you're after some incredibly inspiring off-duty style for gents in their thirties.
For relaxed elegance with a rugged spin, you can rely on a blazer and a long sleeve t-shirt. Ramp up your ensemble with a pair of grey athletic shoes. A safe bet outfit appropriate for 30-something Millennial gentlemen who like casual clothing.