If you appreciate comfort dressing, consider teaming a grey crew-neck t-shirt with blue jeans. Turn up the dressiness of this ensemble a bit with black leather tassel loafers. In your thirties, you want to start dressing more professionally. That's when outfits like this are a safe option.
You're looking at the irrefutable proof that a grey crew-neck t-shirt and blue jeans look awesome when paired together in a casual look. Black leather loafers are the simplest way to power up your outfit. If you frequently wonder how to dress your age, this outfit is a great illustration.