![Brown Leather Brogue Boots with Grey Crew-neck T-shirt Smart Casual Warm Weather Outfits In Their 30s: This combo of a grey crew-neck t-shirt and navy jeans is irrefutable proof that a safe casual outfit doesn't have to be boring. Why not complement your outfit with a pair of brown leather brogue boots for a sense of class? Combos like this go a long way towards developing your style as a man in his thirties.](https://cdn.lookastic.com/looks/shirt-jacket-crew-neck-t-shirt-jeans-large-71179.jpg)
![Black Shirt Jacket](https://cdn.lookastic.com/black-shirt-jacket-original-11479413.jpg)
![Grey Crew-neck T-shirt](https://cdn.lookastic.com/grey-crew-neck-t-shirt-original-389232.jpg)
![Navy Jeans](https://cdn.lookastic.com/navy-jeans-original-468486.jpg)
![Brown Leather Brogue Boots](https://cdn.lookastic.com/brown-leather-brogue-boots-original-6703319.jpg)
![Dark Brown Sunglasses](https://cdn.lookastic.com/dark-brown-sunglasses-original-9639763.jpg)
![Silver Watch](https://cdn.lookastic.com/silver-watch-original-9550590.jpg)
This combo of a grey crew-neck t-shirt and navy jeans is irrefutable proof that a safe casual outfit doesn't have to be boring. Why not complement your outfit with a pair of brown leather brogue boots for a sense of class? Combos like this go a long way towards developing your style as a man in his thirties.