A black and white long sleeve shirt and chinos are must-have menswear must-haves if you're piecing together a casual closet that matches up to the highest sartorial standards. To bring a fun touch to this getup, complement your ensemble with white and black athletic shoes. As you can see here, it's super easy to look amazing and stay comfortable when chillier days are here, thanks to this ensemble. How's that for style inspiration for casual dressing in your forties?