COOFANDY Men's Wool Blend Coat with Detachable Plaid Scarfs Notched Collar Single Breasted Pea Coat Trench Overcoat

Is it any good for Winter season? Helps you with the cold?

How can a 100% polyester coal use the word 'wool' in its description over and over again? title: "men's wool blend coat", "classic wool"...

How is the sizing?

Is it water resistant?