This outfit with a brown plaid long sleeve shirt and jeans isn't a hard one to score and is easy to adapt. Complement your outfit with dark brown double monks for a masculine aesthetic. Those who are curious whether you can still rock cool off-duty looks as you get into your 40s, you have your answer.
Dark Brown Double Monks with Jeans Casual Warm Weather Outfits After 40
This combination of a navy blazer and jeans will hallmark your expertise in men's fashion even on dress-down days. Why not add dark brown double monks to the equation for an element of class? Overall, a good example of off-duty fashion for gents in their 40s.