Go all out in a grey cardigan and charcoal dress pants. Add loafers to the equation and ta-da: the outfit is complete. Just because you've passed the big four-oh, doesn't mean you can't dress fashionably, and this combination illustrates exactly that.
Go for a grey cardigan and navy and green plaid dress pants for a chic and polished look. To give your outfit a more polished twist, why not complete this outfit with a pair of loafers? This pairing is a shining example over-40 men can very well kill in the fashion department.