Choose a dark green long sleeve shirt and khaki chinos to put together a cool and casual ensemble. Balance out your look with a more relaxed kind of shoes, such as these black athletic shoes. You're guaranteed to always look great even despite the summer heat if you keep this look in your front hall closet. A fail-safe option getup appropriate for over-30 men who like casual dressing.
This relaxed casual combination of a dark green long sleeve shirt and olive shorts is perfect if you need to feel confident in your look. Finish off this look with a pair of black athletic shoes to spice things up. This getup is a surefire option if you're looking for a great, summer-friendly getup. As you see, as a man in his thirties, you have a wide range of sartorial options.