A white crew-neck t-shirt and beige jeans are among the key elements in any modern gent's functional casual collection. Put an elegant spin on an otherwise utilitarian outfit by finishing off with a pair of casual boots. So as you can see here, it's a stylish, not to mention season-appropriate, combo to have in your transitional rotation. If you're often not sure how to dress age-appropriately without giving up on style at 60, this getup is a perfect example.