If you're planning for a fashion situation where comfort is the priority, wear a grey crew-neck sweater and a black long sleeve shirt. After 30, you want to start dressing more maturely. In this case, combos like this are a goofproof option.
Grey Crew-neck Sweater with Black Long Sleeve Shirt Smart Casual Cold Weather Outfits For Men In Their 30s
This laid-back pairing of a grey crew-neck sweater and a black long sleeve shirt will catch attention wherever you go. Tobacco suede work boots will give a touch of stylish casualness to an otherwise all-too-safe look. So as you can see, in your 30s your dressing options are far from limited.