![Dark Brown Crew-neck T-shirt with Slip-on Sneakers Warm Weather Outfits For Men In Their 30s: This combination of a dark brown crew-neck t-shirt and beige chinos is the ultimate off-duty style for any guy. Let your sartorial credentials truly shine by finishing your outfit with a pair of slip-on sneakers. Those who wonder how to rock cool off-duty outfits well into your 30s, you have your answer.](https://cdn.lookastic.com/looks/long-sleeve-shirt-crew-neck-t-shirt-chinos-large-100295.jpg)
![Brown Plaid Long Sleeve Shirt](https://cdn.lookastic.com/brown-plaid-long-sleeve-shirt-original-361068.jpg)
![Tobacco Crew-neck T-shirt](https://cdn.lookastic.com/tobacco-crew-neck-t-shirt-original-2305131.jpg)
![Beige Chinos](https://cdn.lookastic.com/beige-chinos-original-1849497.jpg)
![Black Canvas Slip-on Sneakers](https://cdn.lookastic.com/black-canvas-slip-on-sneakers-original-11344376.jpg)
![Navy Beanie](https://cdn.lookastic.com/navy-beanie-original-619344.jpg)
![White Socks](https://cdn.lookastic.com/white-socks-original-604962.jpg)
This combination of a dark brown crew-neck t-shirt and beige chinos is the ultimate off-duty style for any guy. Let your sartorial credentials truly shine by finishing your outfit with a pair of slip-on sneakers. Those who wonder how to rock cool off-duty outfits well into your 30s, you have your answer.