A navy v-neck sweater and navy jeans are a must-have combo for many style-savvy men. You can get a little creative in the shoe department and polish up your ensemble by finishing off with a pair of brown leather derby shoes. If you want people to see maturity in you, a look like this is a safe bet.
Consider teaming a navy v-neck sweater with olive cargo pants to pull together an interesting and modern-looking off-duty outfit. On the fence about how to finish this ensemble? Wear a pair of brown leather derby shoes to amp it up. Classy getups for stylish 30-year-olds aren't actually that hard.