These zipper faces the ground and I'm worried about scratching the floor as I rest my feet.

The zipper can potentially scratch your wooden floor if you're not careful.

This zipper would have scratched the floor up

I ended up breaking the zipper, and now have to find another cover.

Very comfortable yet sturdy, has a zipper so you can take out the foam and wash the outside

Only complaint is the zipper it has on it

The Flaw: the zipper is very heavy duty, stands out from the mat and is located on the "flat" side