Review (5/5): Good to ease into mask wearing
These are good items to help when you are new to wearing masks. They do hold the mask away from your mouth and nose. You do have to make sure you have a mask large enough to accommodate the extra space being used. I haven’t really had a problem with this, all of the masks I have worn have fit over the frames with no problem. This could probably also help when you’re wearing a gaiter if you don’t want your nose and mouth to be pressed up against the mask, and basically visible.
After a while, it didn’t seem to make much of a difference in comfort, ease of talking, or breathing, if I had one of these under my mask or not. So, I think they’re probably most useful for new masks wearers, or people who find their masks to be especially tight or restrictive.