Why not wear a white print crew-neck t-shirt with black chinos? As well as very practical, these two pieces look good matched together. White athletic shoes add a more casual aesthetic to the look. This combo illustrates how 30-year-old gents kill in the fashion department.
This pairing of a white print crew-neck t-shirt and black chinos is ridiculously stylish and yet it's comfortable and ready for anything. Complement this outfit with a pair of white athletic shoes to infuse a dose of stylish effortlessness into this ensemble. Relaxed ensembles for 30-something gents aren't actually that hard, as you can see.
For a relaxed look with a street style finish, team a white print crew-neck t-shirt with orange print sweatpants. Let your sartorial savvy really shine by complementing this look with a pair of white athletic shoes. Perfect if you're scouting for some incredibly inspiring casual style for gents in their 30s.