Pair a grey long sleeve shirt with navy vertical striped chinos to create an interesting and modern-looking off-duty outfit. On the shoe front, go for something on the more elegant end of the spectrum by slipping into a pair of dark brown leather casual boots. As a 30-something Millennial man, you probably want to start dressing like a grown man. In this case, combinations like this come in useful.
Pairing a grey long sleeve shirt with black jeans is a good choice for a casual outfit. You could perhaps get a little creative on the shoe front and complete your getup with a pair of dark brown leather casual boots. As a 30-something gentleman, you want to start dressing more like a mature gentleman. In this case, looks like this are a tested option.
Reach for a grey long sleeve shirt and white chinos to pull together an incredibly sharp and current casual outfit. Kick up the wow factor of your ensemble with dark brown leather casual boots. So pay attention and you'll be the sharpest dressed guy among your peers.
This combination of a grey long sleeve shirt and a charcoal wool long sleeve shirt looks well-executed and instantly makes you look stylish. A nice pair of dark brown leather casual boots pulls this look together. A no-brainer for guys in their 30s searching for a more mature image.