Molly doesn't have a really thick undercoat, such as some Collies I've seen. If I'm not mistaken, their coat length is 90% genetics, and the other 10% is how much sunlight they're exposed too.

Really? I had no idea about that.. his sire has a pretty heavy coat, I remember. His dam was a beautiful smooth coated BC. And, he is exposed to a lot of sunlight since we take him out to parks and running every day.. he loves it outside. He has a doggy door and for most of the day he prefers to patrol his yard