the more I think about it and look at the size of those paws, plus they look kinda fuzzy. A Great Pyrenees will also have some masking on the fur. So I think they are a mix of Lab and Great Pyrenees. The fur will be longer than a Lab but shorter than a Great Pyrenees.
My neighbor got a puppy that was supposed to be a yellow lab, but is so huge, that its got to have some big dog breed mixed with it. It’s hair is too long for a lab, as well. My other neighbor has a Rottweiller mix that looks more like a Bernese Mountain Dog, without the white. It’s huge too.