A yellow windbreaker and a mustard crew-neck t-shirt have become a favorite combination for many fashionable men. Rounding off with a pair of tobacco suede casual boots is the simplest way to add a little classiness to your outfit. So as you can see, it's super easy to look dapper and stay warm when cooler weather comes, all thanks to getups like this. Wondering how to perfect casual dressing as you drift through your 20s? This combination is a great example.