This combination of an olive plaid blazer and charcoal chinos is truly a statement-maker. When it comes to footwear, this look pairs really well with grey suede desert boots. When spring is in full effect, you'll love this combination as your go-to for winter-to-spring weather. As a gentleman in his thirties, you want to start dressing more like a mature gentleman. That's when inspiration like this comes in very handy.