For a cool and casual ensemble, marry a brown track suit with a camel overcoat — these items fit nicely together. Athletic shoes will bring a dash of stylish effortlessness to an otherwise dressy outfit. Can you see how very easy it is to look dapper and stay snug when cooler weather comes, all thanks to looks like this? Those who wonder how to sport cool casual looks as you slip into your 30s, you have your answer.