![Navy Short Sleeve Shirt with Crew-neck T-shirt Smart Casual Cold Weather Outfits For Men In Their 30s: A navy short sleeve shirt and a crew-neck t-shirt are indispensable menswear must-haves to have in your casual box. A pair of beige canvas low top sneakers is a savvy idea to complete your ensemble. Getups like this go a long way towards developing your style as a 30-year-old gentleman.](https://cdn.lookastic.com/looks/overcoat-denim-jacket-short-sleeve-shirt-large-79861.jpg)
![Dark Green Overcoat](https://cdn.lookastic.com/dark-green-overcoat-original-5265564.jpg)
![Blue Denim Jacket](https://cdn.lookastic.com/blue-denim-jacket-original-442782.jpg)
![Navy Plaid Short Sleeve Shirt](https://cdn.lookastic.com/navy-plaid-short-sleeve-shirt-original-364434.jpg)
![White Crew-neck T-shirt](https://cdn.lookastic.com/white-crew-neck-t-shirt-original-386478.jpg)
![Beige Chinos](https://cdn.lookastic.com/beige-chinos-original-1849497.jpg)
![Beige Canvas Low Top Sneakers](https://cdn.lookastic.com/beige-canvas-low-top-sneakers-original-10384747.jpg)
A navy short sleeve shirt and a crew-neck t-shirt are indispensable menswear must-haves to have in your casual box. A pair of beige canvas low top sneakers is a savvy idea to complete your ensemble. Getups like this go a long way towards developing your style as a 30-year-old gentleman.