Grey Crew-neck T-shirt with White and Navy Canvas Low Top Sneakers Smart Casual Outfits For Men In Their 30s: As you can see here, it doesn't require that much effort for a man to look casually sleek. Consider pairing a grey crew-neck t-shirt with a brown suit and be sure you'll look incredibly stylish. If you wish to instantly dial down this getup with a pair of shoes, why not complete your outfit with a pair of white and navy canvas low top sneakers? Well into your 30s, you want to start dressing like an adult man. If that's the case, inspiration like this comes in very handy.

As you can see here, it doesn't require that much effort for a man to look casually sleek. Consider pairing a grey crew-neck t-shirt with a brown suit and be sure you'll look incredibly stylish. If you wish to instantly dial down this getup with a pair of shoes, why not complete your outfit with a pair of white and navy canvas low top sneakers? Well into your 30s, you want to start dressing like an adult man. If that's the case, inspiration like this comes in very handy.