For a casual getup, try pairing a dark brown blazer with a black crew-neck t-shirt — these items play nicely together. You could perhaps get a bit experimental with footwear and slip into white canvas low top sneakers. Wondering how to perfect casual outfits as you turn 30? This combo is a perfect example.
Wear a dark brown blazer and a black crew-neck t-shirt to pull together a seriously sharp and current casual outfit. Complement this ensemble with brown suede desert boots and you're all done and looking smashing. When it comes to casual outfit ideas for 30-year-old men, this ensemble looks cool on most.