Putting together a duffle coat with a blue long sleeve shirt is an amazing pick for a casually stylish outfit. The whole look comes together perfectly when you introduce a pair of brown leather casual boots to the mix. As days are getting cooler, you'll see that a look like this is perfect for this time. As you're getting to your 30s, you want to start dressing more maturely. In this case, outfits like this are ideal as inspiration.