To pull together a casual menswear style with a modern twist, you can wear a brown cardigan and blue jeans. As you can see here, this combination is a really nice option, especially for transitional weather, when the temperatures are falling. So take notes and be the best dressed gent your age.
This combination of a brown cardigan and blue jeans is very versatile and apt for any adventure you may find yourself on. On not-so-bone-chilling afternoons, you can wear a variation of this easy-to-transition ensemble and look absolutely awesome. If you're wondering what you should wear as an older gent, this combination gives a fair idea.