This ensemble with a navy gilet and a white crew-neck t-shirt isn't a hard one to pull off and is easy to adapt throughout the day. Burgundy leather loafers will give an added touch of style to an otherwise everyday getup. A nice outfit to show your maturity as a 30-year-old gent.
If you're all about feeling relaxed when it comes to fashion, this combination of a navy gilet and a white crew-neck t-shirt is totally you. Finishing with black leather casual boots is an effective way to bring a little depth to this ensemble. When it comes to casual outfit ideas for gents in their 30s, this outfit is perfect.
Go for a navy gilet and a white crew-neck t-shirt for an off-duty getup with a contemporary spin. A pair of green athletic shoes will give a mellow vibe to your outfit. As you can see here, as a young man, you have a wide range of style options.