![Blue Denim Shirt with Black Double Breasted Blazer Smart Casual Chill Weather Outfits For Men In Their 30s: When the setting calls for a casually classic look, wear a black double breasted blazer and a blue denim shirt. Complement this ensemble with beige leather chelsea boots and you're all done and looking killer. An exciting option for a 30-something Millennial gent!](https://cdn.lookastic.com/looks/overcoat-double-breasted-blazer-denim-shirt-large-31989.jpg)
![Dark Brown Plaid Overcoat](https://cdn.lookastic.com/dark-brown-plaid-overcoat-original-11414371.jpg)
![Black Double Breasted Blazer](https://cdn.lookastic.com/black-double-breasted-blazer-original-2635827.jpg)
![Blue Denim Shirt](https://cdn.lookastic.com/blue-denim-shirt-original-2767407.jpg)
![Navy Ripped Skinny Jeans](https://cdn.lookastic.com/navy-ripped-skinny-jeans-original-9153309.jpg)
![Beige Leather Chelsea Boots](https://cdn.lookastic.com/beige-leather-chelsea-boots-original-11432580.jpg)
![White and Red and Navy Bandana](https://cdn.lookastic.com/assets/item-dba620cf05c5e3a32ad2750e6b7a2aff19e1c5a9163440160262dd0ec62fbf32.png)
When the setting calls for a casually classic look, wear a black double breasted blazer and a blue denim shirt. Complement this ensemble with beige leather chelsea boots and you're all done and looking killer. An exciting option for a 30-something Millennial gent!