This combo of a crew-neck t-shirt and white corduroy chinos makes for the ultimate casual ensemble for any guy. Dark brown boat shoes are the glue that will pull your outfit together. So if you're looking for a good-looking and age-appropriate ensemble, this one fits the bill.
Dark Brown Boat Shoes with Crew-neck T-shirt Cold Weather Outfits In Their 30s
A crew-neck t-shirt and khaki chinos are a good look worth incorporating into your current casual rotation. Complement your outfit with dark brown boat shoes to pull the whole getup together. If you've passed the big 3-0, take inspiration from looks like this to add more maturity to your personal style.