These are very comfortable! And they don't suck into your mouth when you breath so that's a huge plus for me! We ordered the large because we were unsure of how the sizes ran, and it is quite large... but not bad for those who really like to cover their entire lower face. My husband has a short beard and it covers the underside of his chin so his beard is fully covered as well. I guess that actually works better when you are trying to look like a reindeer without a beard. ;) I plan to order more in the medium, but I'm also keeping the large because I'm sure I can find someone who will use them.