A blue denim jacket and olive pants are a smart combo to keep in your day-to-day routine. Here's how to inject a dash of elegance into this outfit: black and white canvas high top sneakers. During winter, when functionality is key, it can be easy to settle for a less-than-stylish outfit in the name of practicality. However, this outfit is a shining example that you totally can stay cozy and remain equally stylish in winter. Perfect if you're looking for some seriously inspiring casual style for 30-something Millennial guys.