When comfort is top priority, this pairing of a long sleeve shirt and beige chinos is a no-brainer. With shoes, go for something on the classier end of the spectrum and complement this outfit with derby shoes. As a young guy, you probably want to start dressing like an adult. That's when inspiration like this comes in very useful.
A long sleeve shirt and navy jeans paired together are a great match. Add derby shoes to the equation for a masculine aesthetic. As a 30-something guy, you're sure to appreciate this combo.
A long sleeve shirt and navy chinos are a nice combo to have in your current off-duty rotation. A pair of derby shoes effortlessly turns up the fashion factor of this ensemble. More polished getups like this work well on 30-year-olds.
The mix-and-match capabilities of a long sleeve shirt and black chinos mean you'll always have them on high rotation in your menswear arsenal. Boost the formality of your outfit a bit by sporting derby shoes. Pay attention to combos like this if you want to add more gravitas to your wardrobe.
To create a casual look with a twist, consider teaming a long sleeve shirt with khaki chinos. You could perhaps get a bit experimental when it comes to footwear and complement your getup with derby shoes. This is a modern yet mature outfit for gentlemen in their thirties.