To pull together a laid-back getup with a modernized spin, you can opt for a charcoal crew-neck sweater and navy jeans. Make your ensemble a bit dressier by rounding off with a pair of black leather casual boots. So as you can see, this combo is a really savvy idea, especially for awkward fall weather, when the temps are dropping. This getup shows how to remain fashionable as you slip into your 40s.