![Blue Denim Jacket with White Crew-neck T-shirt Smart Casual Summer Outfits For Men After 40: For an off-duty ensemble, wear a blue denim jacket with a white crew-neck t-shirt — these two items fit really nice together. You know how to class up this outfit: brown leather derby shoes. You totally can look fresh and clean under the summer heat, and this getup is a vivid example of just that A safe bet for gents over 40 who are on the hunt for age-appropriate style.](https://cdn.lookastic.com/looks/denim-jacket-crew-neck-t-shirt-chinos-large-51115.jpg)
![Navy Denim Jacket](https://cdn.lookastic.com/navy-denim-jacket-original-442476.jpg)
![White Crew-neck T-shirt](https://cdn.lookastic.com/white-crew-neck-t-shirt-original-386478.jpg)
![Dark Green Chinos](https://cdn.lookastic.com/dark-green-chinos-original-5211178.jpg)
![Brown Leather Derby Shoes](https://cdn.lookastic.com/brown-leather-derby-shoes-original-2410827.jpg)
![Dark Brown Leather Belt](https://cdn.lookastic.com/dark-brown-leather-belt-original-2451651.jpg)
![Black Leather Watch](https://cdn.lookastic.com/black-leather-watch-original-9558291.jpg)
For an off-duty ensemble, wear a blue denim jacket with a white crew-neck t-shirt — these two items fit really nice together. You know how to class up this outfit: brown leather derby shoes. You totally can look fresh and clean under the summer heat, and this getup is a vivid example of just that A safe bet for gents over 40 who are on the hunt for age-appropriate style.