Why not consider pairing a tan raincoat with navy jeans? These two pieces are very comfortable and look amazing worn together. A pair of white canvas low top sneakers is a tested footwear option that's also full of character. So so as you can see, it's a dapper, not to mention spring-ready, combo to have in your transitional rotation. Those who wonder how to sport modern casual outfits as you get into your 30s, you have your answer.