For seriously stylish menswear style without the need to sacrifice on functionality, we like this combo of a blue crew-neck sweater and a long sleeve shirt. A trendy pair of black leather brogues is an effortless way to breathe an air of sophistication into this getup. As you head into your 30s, you want to start dressing more like a mature gentleman. If that's the case, combos like this are perfect as inspiration.
This casual combo of a blue crew-neck sweater and a long sleeve shirt can only be described as seriously dapper. All you need is a great pair of dark brown leather desert boots. The ability to sport looks like this is one of the dividends of maturing into your 30s.
Definitive proof that a blue crew-neck sweater and a long sleeve shirt are awesome when worn together in a casual getup. If you want to break out of the mold a little, introduce grey leather loafers to this outfit. So if you need fashion inspiration for dressing as you go into your 30s, this combo is a perfect example.