Try teaming a white crew-neck t-shirt with navy jeans for a comfy look that's also well put together. Take this look down a more laid-back path by finishing off with a pair of sandals. Casual getups for men in their thirties aren't actually that hard, as you can see here.
Why not reach for a violet crew-neck t-shirt and navy jeans? These items are super practical and will look awesome when married together. When this look is just too much, dial it down by finishing off with sandals. This getup is a great inspiration to anyone who had doubts about comfort dressing in his thirties.
This combination of a white crew-neck t-shirt and navy jeans is hard proof that a pared down casual look doesn't have to be boring. You can get a bit experimental with shoes and introduce sandals to your getup. This combo demonstrates that as a man in his 30s, you have a vast array of style options.
For a look that's pared-down but can be flaunted in a ton of different ways, try teaming a light blue crew-neck t-shirt with navy jeans. Tone down the classiness of this ensemble by wearing a pair of sandals. If you often wonder how to dress maturely while looking fashionable, this getup is a surefire option.
Consider pairing a light blue crew-neck t-shirt with navy jeans for a relaxed casual look with a modernized spin. For something more on the daring side to complement this outfit, add a pair of sandals to the mix. Those wondering how to pull off modern casual style as you slip into your 30s, this ensemble should answer your question.