![Light Blue Crew-neck T-shirt with Black Overcoat Smart Casual Outfits In Their 30s: A black overcoat and a light blue crew-neck t-shirt are an easy way to inject some rugged elegance into your off-duty styling arsenal. Avoid looking overdressed by finishing with black leather low top sneakers. As a 30-year-old, you want to start dressing like a grown-up. If that's the case, combinations like this prove useful as a source of inspiration.](https://cdn.lookastic.com/looks/overcoat-shirt-jacket-crew-neck-t-shirt-large-55399.jpg)
![Black Overcoat](https://cdn.lookastic.com/black-overcoat-original-428400.jpg)
![Olive Shirt Jacket](https://cdn.lookastic.com/olive-shirt-jacket-original-11480793.jpg)
![Light Blue Crew-neck T-shirt](https://cdn.lookastic.com/light-blue-crew-neck-t-shirt-original-2901129.jpg)
![Navy Chinos](https://cdn.lookastic.com/navy-chinos-original-463284.jpg)
![Black Leather Low Top Sneakers](https://cdn.lookastic.com/black-leather-low-top-sneakers-original-542610.jpg)
![Black Socks](https://cdn.lookastic.com/black-socks-original-605268.jpg)
A black overcoat and a light blue crew-neck t-shirt are an easy way to inject some rugged elegance into your off-duty styling arsenal. Avoid looking overdressed by finishing with black leather low top sneakers. As a 30-year-old, you want to start dressing like a grown-up. If that's the case, combinations like this prove useful as a source of inspiration.