A bomber jacket looks so casually cool when worn with jeans. White leather sandals are an effective way to give a sense of stylish nonchalance to this ensemble. So if it's a roasting hot summer afternoon and you want to look stylish without exerting much effort, this look will do the job in next to no time. Gentlemen wondering how to pull off edgy casual style as you head into your 30s, you have your answer.