A cardigan and a waistcoat are a refined combo that every dapper man should have in his arsenal. As a young gentleman, you want to start dressing maturely. If that's the case, combinations like this are perfect as inspiration.
Cardigan with Waistcoat Outfits In Their 30s
Pair a cardigan with a waistcoat if you're aiming for a neat, dapper outfit. Scouting for dressing ideas for guys in their thirties? This getup goes straight to your inspiration folder.