For a surefire casual option, you can always rely on this combo of a light blue denim shirt and a white crew-neck t-shirt. And if you want to easily play down this look with one piece, why not introduce a pair of beige suede sandals to the mix? Ideal if you're on the hunt for some incredibly inspiring laid-back style for over-30 gentlemen.
If the setting allows a casual look, choose a light blue denim shirt and a white crew-neck t-shirt. Now all you need is a cool pair of white leather low top sneakers to finish off your ensemble. Laid-back combinations for gents in their 30s aren't actually that hard, as you can see here.
A light blue denim shirt looks especially cool when married with a white crew-neck t-shirt in an off-duty look. If you need to easily dial down this ensemble with a pair of shoes, why not throw in white canvas high top sneakers? This outfit illustrates how 30-something Millennial gentlemen slay in the style department.