Go all out in an olive plaid blazer and grey dress pants. As for footwear, introduce dark brown leather derby shoes to your ensemble. Getups like this help welcome the big 3-0 with class and enthusiasm.
Olive Plaid Blazer with Dark Brown Leather Derby Shoes Outfits In Their 30s
This combination of an olive plaid blazer and an olive check suit is a safe bet when you need to look really dapper. A pair of dark brown leather derby shoes serves as the glue that will pull your getup together. All in all, a good example of Millennial fashion.