Opt for a black denim jacket and grey chinos for an everyday outfit that's full of charm and personality. White leather low top sneakers are an effortless way to add a hint of stylish nonchalance to your outfit. As you can see, this ensemble is a really great choice, especially for weird transition weather, when the mercury is starting to drop. As you can see this combo is something you can totally wear as a 30-something Millennial guy.