![Dark Green Blazer with Dark Brown Leather Oxford Shoes Smart Casual Cold Weather Outfits In Their 30s: This combo of a dark green blazer and blue jeans will add effortlessly neat essence to your ensemble. To bring some extra zing to this outfit, complete this ensemble with a pair of dark brown leather oxford shoes. All in all, a goofproof option when it comes to dressing ideas for 30-something guys.](https://cdn.lookastic.com/looks/overcoat-double-breasted-blazer-denim-shirt-large-43053.jpg)
![Camel Overcoat](https://cdn.lookastic.com/camel-overcoat-original-3350409.jpg)
![Olive Check Double Breasted Blazer](https://cdn.lookastic.com/olive-check-double-breasted-blazer-original-11507935.jpg)
![Blue Denim Shirt](https://cdn.lookastic.com/blue-denim-shirt-original-2767407.jpg)
![Blue Jeans](https://cdn.lookastic.com/blue-jeans-original-468792.jpg)
![Dark Brown Leather Oxford Shoes](https://cdn.lookastic.com/dark-brown-leather-oxford-shoes-original-6731733.jpg)
![Black Wool Hat](https://cdn.lookastic.com/black-wool-hat-original-10053229.jpg)
This combo of a dark green blazer and blue jeans will add effortlessly neat essence to your ensemble. To bring some extra zing to this outfit, complete this ensemble with a pair of dark brown leather oxford shoes. All in all, a goofproof option when it comes to dressing ideas for 30-something guys.