Go for a black crew-neck t-shirt and charcoal jeans if you want to look cool and relaxed without putting in too much effort. For a more sophisticated take, introduce derby shoes to the equation. In your 30s, you probably want to start dressing more like a mature gentleman. If that's the case, looks like this are a goofproof option.
A grey polo and charcoal jeans are essential menswear pieces, without which no closet would be complete. Why not add derby shoes to the mix for an added touch of sophistication? A perfect ensemble to demonstrate the world your newfound maturity.
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