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What the science says about different face coverings
However, a new study has led to questions about whether wearing a neck gaiter (also known as a “neck fleece” or a “buff”) might actually be worse than wearing no face covering at all. In the study, published in August in Science Advances, neck gaiters were evaluated (among other face coverings, like surgical and cotton) and found to break larger respiratory droplets into smaller ones.
Why is that bad? In theory, those smaller droplets could stay airborne longer, giving them more time to infect someone else. However, the study co-authors clarified that they examined only one particular neck gaiter (and not other types of neck gaiters) worn by one person and that its poor performance “is most likely due to the material it was made of (a single thin layer of a synthetic weave), and not the fact that it was constructed as a neck gaiter.”
So don’t give up on gaiters as a form of protection just yet.
Neck gaiters made of other materials, such as two layers of cotton, with or without a filter, might be more effective, points out study co-author and scientist at Duke University, Isaac Henrion—provided it covers your nose and chin.
“Further research is needed,” he adds because the study was not even intended to draw final conclusions about face masks. Rather, the study was intended as “proof of concept of the experimental method” (i.e., the purpose of the study was to create a workable design for a future study, rather than to draw conclusions about face masks). In other words, as far as the study authors are concerned, there is no conclusion to be drawn about neck gaiters at all at this time. If it’s still warm where you live, here are some helpful tips for wearing a face mask in hot weather.
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Neck gaiters can be effective
“For purposes of protecting others from the virus being spread by the wearer, neck gaiters should be doing as well as any other face covering,” according to Fernandez, assuming they are made from a material that does not disperse respiratory droplets into smaller particles.
While she and Mueller have not specifically tested commercially-available neck gaiters, they’ve been testing homemade face coverings in the form of a sleeve worn from neck to nose. Not only have they proven effective at protecting those with whom the wearer comes into contact, but they have also been proven effective for protecting the wearer (up to 90 percent particulate removal).
In addition, Fernandez points out that neck gaiters can be worn over other masks to add another layer of fibers. This means virus droplets would have to make their way through these layers before reaching the open air. It also helps enhance the seal of the underlying mask, meaning extra protection.
If wearing a neck gaiter seems like a more appealing or comfortable option for you, then the advantage is you’re more likely to reliably wear it. The challenge with neck gaiters is making sure they are thick enough (multi-layered would be ideal), are made of a fabric with a complicated fiber structure (such as cotton), and fit well. Follow these steps to make a DIY face mask.
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Does adding a filter make a neck gaiter more effective?
Whether a filter can help make a neck gaiter better at protecting against COVID-19 depends on what the filter is made of, according to Henrion.
“A polypropylene filter will make the mask more effective. But even without a filter, two-layers of cotton are really good at stopping the vast majority of particles—just make sure to use a tightly woven material with a high thread count.” Noting also that filters are not practical for everyone because replacing them can get expensive quickly, he reiterates that what matters most is wearing a well-fitting cloth mask that covers your nose and chin.
In sum, the evidence suggests that neck gaiters that were not manufactured for the purpose of protecting against coronavirus are not ideal. However, that’s not because they are neck gaiters, but because of what they are made of and how they are made. Still, they’re generally better than no mask at all.
Neck gaiters that are manufactured with official mask guidelines in mind can be as effective as masks manufactured with those same guidelines. In other words, it is necessary to look at each particular neck gaiter to decide if it affords the protection you’re looking for.
Need help deciding what neck gaiter to buy for coronavirus protection? We used our experts’ tips and narrowed down the highest rated neck gaiters available on Amazon. Check out these face masks with a sense of humor.
Note: Prices listed were accurate as of press time; pricing fluctuations may occur.