If the setting calls for a classy yet kick-ass look, make a dark green dress shirt and navy jeans your outfit choice. To bring a little zing to this getup, add chelsea boots to your outfit. And if we're talking outfit ideas for 30-year-old gentlemen, this ensemble is ideal.
Marrying a dark green dress shirt and charcoal jeans is a guaranteed way to inject your styling rotation with some relaxed elegance. Feeling adventerous? Class up this getup by finishing with chelsea boots. In your 30s, you probably want to start dressing more maturely. In this case, inspiration like this is very useful.