To achieve a relaxed look with a modernized spin, wear a light blue long sleeve shirt and jeans. If you need to easily level up this outfit with one item, why not add brown suede chelsea boots to the equation? No doubt, a wonderful pick if we're talking fashion for guys in their thirties.
When the situation allows an off-duty look, go for a light blue long sleeve shirt and jeans. Feeling experimental? Spice things up by sporting blue suede derby shoes. So if you need style inspo for dressing as you move into your 30s, this combination is definitely worth saving for later.