This combo of a navy blazer and a white crew-neck t-shirt is undeniable proof that a safe look doesn't have to be boring. Breathe a dose of elegance into your outfit by sporting black leather loafers. So as you can see, this outfit is a really great pick, especially for unpredictable fall weather, when the temps are falling. So if you need dressing tips for 40-year-old gents, this outfit is a great example.