A dark brown overcoat and white chinos are absolute must-haves if you're piecing together a smart casual wardrobe that matches up to the highest menswear standards. A pair of chelsea boots will bring a classic aesthetic to the look. With the departure of snow come warmer afternoons and balmy nights and the need for a neat look just like this one. So as you can see, in your 40s your dressing options are far from limited.