Canada's Chief Public Health Officer has a new recommendation for Canadians that involves sporting three-layered face masks this upcoming winter.

Dr. Theresa Tam is asking Canadians to consider bundling as the cold season looms, by adding additional layers to their non-medical masks.  

Canada's top doctor shared her thoughts during a COVID-19 briefing in Ottawa on Tuesday, according to CBC News.

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To improve the level of protection that can be provided by non-medical masks or face coverings, we are recommending that you consider a three-layer non-medical mask. Dr. Theresa Tam

This move is to prevent the spread of COVID-19 as Canadians gear up to spend extra time indoors.

Per the government's existing guidelines, masks layered twice should be made with tightly woven material fabric, like cotton or linen, and the layer found in the middle is suggested to be a filter-type fabric, such as non-woven polypropylene fabric.

Dr. Tam said she is not asking Canadians to do away with the masks they already have, but said adding a filter could help with protection.

The World Health Organization has been recommending three layers for non-medical masks since June, according to the report.