I don't believe that you need mask at all but if you have to: https://www.getunmask-ca.com/'>https://www.getunmask-ca.com/ UnMask Canada (https://www.getunmask-ca.com/) UnMask Face Masks | Breathe With Us! Hand sewn in the USA, the UnMask is the only mask on the market specifically designed to provide you and your family with virtually unrestricted breathing. The UnMask has been a game changing, life-saver for people that still have to mask up for travel, work, playing sports or going to school. The UnMask is especially suited for people with breathing disabilities like asthma, claustrophobia and for adults and children of all ages. People that swear about wear a mask, swear by ours!