For a look that's nothing less than gasp-worthy, rock a black and white long sleeve shirt with black dress pants. Loafers pull the outfit together. This combination looks cool no matter your age.
Black and White Long Sleeve Shirt with Loafers Cold Weather Outfits For Men In Their 30s
If you don't like getting too predictable with your looks, consider wearing a black and white long sleeve shirt and khaki chinos. And if you need to instantly spruce up this getup with a pair of shoes, add loafers to the mix. As a 30-something man, you want to start dressing like an adult man. In this case, ensembles like this are ideal as inspo.