For an outfit that's pared-down but can be smartened up or dressed down in a ton of different ways, pair a dress shirt with jeans. A pair of dark brown leather derby shoes easily turns up the style factor of your getup. This outfit is most probably exactly what you're looking for as a 30-year-old guy.
As you can see here, looking on-trend doesn't take that much effort. Just go for a dress shirt and jeans and be sure you'll look amazing. Our favorite of an endless number of ways to complement this getup is brown leather brogue boots. Rest assured this combination is something you can totally wear as a young gentleman.
Reach for a dress shirt and jeans to pull together an effortlessly sleek and pulled together ensemble. If you wish to easily dial up your ensemble with a pair of shoes, add a pair of black leather loafers to the mix. This is a stylish and mature pairing for 30-something gentlemen.
This combination of a dress shirt and jeans is a must-try casually smart getup for any modern gentleman. If you feel like dressing up a bit now, complete your getup with dark brown suede loafers. Pay attention to combinations like this if it's time to add more gravitas to your look.
For casual refinement with a manly take, consider teaming a dress shirt with jeans. Get a bit experimental on the shoe front and introduce dark brown leather boat shoes to the mix. An amazing example if you want to shed your boyish look and start dressing like a grown man.