One of the smartest ways for a man to style such a hard-working item as a grey plaid overcoat is to wear it with grey plaid chinos. In the footwear department, go for something on the smarter end of the spectrum with monks.
This pairing of a grey blazer and black chinos is the perfect base for an effortlessly smart ensemble. Monks are guaranteed to infuse a dash of class into this ensemble.
A dark brown check wool blazer and dark brown dress pants are absolute essentials if you're picking out an elegant closet that matches up to the highest sartorial standards. If not sure about the footwear, add a pair of monks to the mix.
For a look that's polished and Bond-worthy, pair a beige plaid blazer with grey dress pants. When it comes to footwear, this look is rounded off well with monks.
As you can see, it doesn't take that much work for a man to look casually smart. Consider pairing a grey blazer with navy jeans and you'll look incredibly stylish. Bump up the classiness of this outfit a bit by slipping into a pair of monks.