Misleading advertising, beware, this product is comfortable but does not kill COVID. It does not restrict aerosol droplets from passing through the fabric. And as advertised their copper technology reduces bacteria causing odors. Amherst study does not even consider aerosol sized droplets. Most masks allow air to pass around the outer edges as they are not tight fitting. Better to observe social distancing, washing hands, and not touching your face.
Length of Use: Less than 3 months
Bottom Line: No, I would not recommend this to a friend