![Blue Long Sleeve Shirt with Double Breasted Blazer Smart Casual Cold Weather Outfits For Men In Their 30s: A modern guy's refined collection should always include such wardrobe heroes as a double breasted blazer and a blue long sleeve shirt. And if you wish to immediately dial down this look with one item, complete your outfit with a pair of dark brown leather casual boots. If you've passed the big three-oh, take inspiration from outfits like this to take a more serious direction in your style.](https://cdn.lookastic.com/looks/overcoat-double-breasted-blazer-long-sleeve-shirt-large-5860.jpg)
![Dark Brown Overcoat](https://cdn.lookastic.com/dark-brown-overcoat-original-2442831.jpg)
![Charcoal Double Breasted Blazer](https://cdn.lookastic.com/charcoal-double-breasted-blazer-original-2640111.jpg)
![Navy Long Sleeve Shirt](https://cdn.lookastic.com/navy-long-sleeve-shirt-original-359244.jpg)
![Navy Jeans](https://cdn.lookastic.com/navy-jeans-original-468486.jpg)
![Dark Brown Leather Casual Boots](https://cdn.lookastic.com/dark-brown-leather-casual-boots-original-11313214.jpg)
A modern guy's refined collection should always include such wardrobe heroes as a double breasted blazer and a blue long sleeve shirt. And if you wish to immediately dial down this look with one item, complete your outfit with a pair of dark brown leather casual boots. If you've passed the big three-oh, take inspiration from outfits like this to take a more serious direction in your style.