A charcoal blazer and navy skinny jeans are among the key elements in any modern gentleman's functional casual wardrobe. For a more refined spin, why not introduce a pair of black suede derby shoes to your look?
Grey Blazer with Blue Jeans Smart Casual Fall Outfits For Men In Their 30s
If you don't take fashion lightly, go for classy style in a dark brown overcoat and navy jeans. Dark brown leather casual boots will pull the whole thing together.