The one I got is really thin. It works good for putting under the goggles compared to a normal mask, though you could just find a normal mask you like and put a hole in it. My face is cold in mine, and it froze fast. Also the top part (the black edging) immediately wants to curl. Weird material and flimsy.
Best mask so far is one I got off etsy so making your own (I assume you have a sewing machine) with soft fleece and a hole is probably a better bet, then you can size it how you like it.
Edit: Here is the one I have