I've Recently Added A Neck Gaiter To My Winter Wardrobe.

https://www.bbc.co.uk/news/articles/c05l33j7rq7o

Well, four actually.

One cost £7 while four cost £6.

Obviously you can wear them up, over your mouth and nose. You can also wear them up, over your chillbained ears.

Or you can just wear them as the name suggests.

I'm currently wearing mine indoors. By the fire.