My all time favourite coat for dog walking in wet weather is the Jack Murphy Malvern Bush Coat. It is a full length coat, which when worn with long boots such as wellies or country boots, keeps you covered from head to toe. It’s a lot easier to sling on the coat and walk out the door, than worry about shimmying into waterproof trousers and then pulling your walking boots on. The only minor downside that I can see, is that if it is windy the coat can sometimes blow open below the zip and you might get wet knees. However, this is only a minor gripe, and I would definitely buy another coat when mine finally wears out.
You can even get a matching hat to wear if you wish! Not that I’ve gone that far…… yet!