For a look that's classy and gasp-worthy, dress in a blue suit and a black dress shirt. A nice pair of black fringe leather loafers is an effective way to infuse a dash of stylish casualness into this ensemble. As a 30-something, you probably want to start dressing in a dressier manner. In this case, ensembles like this are a fail-safe option.
Black Dress Shirt with Blue Suit Chill Weather Outfits In Their 30s
This combination of a blue suit and a black dress shirt spells masculine elegance. Add a pair of black leather oxford shoes to your outfit and the whole outfit will come together. This combo proves that well into your 30s your sartorial options are looking good.