Team a navy long sleeve shirt with beige shorts for an effortless kind of sophistication. You can take a classic approach with footwear and introduce tassel loafers to the equation. As a 30-something gent, you probably want to start dressing like a grown-up. In this case, combos like this are perfect as inspiration.
The mix-and-match capabilities of a navy long sleeve shirt and white chinos mean they will always be on heavy rotation. A pair of tassel loafers will easily lift up any outfit. As a man in his thirties, you probably want to start dressing more maturely. That's when looks like this come in handy.
A navy long sleeve shirt and navy jeans will infuse your current wardrobe this cool and casual vibe. Finishing with a pair of tassel loafers is a fail-safe way to breathe a sense of refinement into this outfit. So if you're on the hunt for a stylish yet mature combination, this one is great.