As you can see here, it doesn't take that much time for a man to look casually sleek. Team a military jacket with a white dress shirt and be sure you'll look awesome. Introduce a touch of stylish nonchalance to with a pair of dark brown leather casual boots. So as you can see, it's very easy to look awesome and stay toasty when cooler weather hits, all thanks to combinations like this. This combo illustrates that as a guy in his 60s, you still have a wide range of style options.