Go for a straightforward but at the same time casually cool ensemble by wearing a white and navy horizontal striped long sleeve t-shirt and white chinos. You could perhaps get a bit experimental with footwear and add a pair of dark brown leather loafers to the mix. This pairing demonstrates that as a 30-something gent, you have a wide range of outfit options.
This is indisputable proof that a white and navy horizontal striped long sleeve t-shirt and white chinos look awesome when you pair them up in a relaxed casual outfit. Upgrade your look with a pair of beige suede desert boots. As you head into your 30s, you probably want to start dressing like a grown-up. If that's the case, getups like this are perfect as inspiration.
Why not pair a white and navy horizontal striped long sleeve t-shirt with white chinos? Both pieces are very practical and look great matched together. Make a bit more effort with footwear and complement your outfit with a pair of navy suede double monks. An amazing example for those aiming to adapt their style towards maturity.
This combo of a white and navy horizontal striped long sleeve t-shirt and white chinos resonates casual cool and relaxed menswear style. Avoid looking too casual by finishing with a pair of brown leather oxford shoes. A no-brainer combination appropriate for maturing gents.