Because they come in so many colors, they are super-easy to match to any outfit, making the brand popular among a large swath of celebrities — including Justin and Hailey Bieber, Dua Lipa, Cardi B, and Offset. Right away, I noticed how light the masks are, far lighter than a Powecom KN95 or even other KF94’s I have tried.

One popular alternative to the N95 is the KN95 respirator, which is the Chinese equivalent of the US standard. Wearing an N95-style respirator during exercise isn't feasible, but you can add a disposable mask underneath a cloth mask for extra protection, and the Under Armour Sportsmask is a great breathable face mask contender -- it's one of CNET's picks for the best face masks for exercise.Respiratory protection effect of ear-loop-type kf94 masks according to the wearing method in COVID-19 pandemic: a randomized, open-label study. Those labels are ASTM F3502, Workplace Performance, Workplace Performance Plus, and the code “TC-84A” followed by four more digits.

Pierre , MD, MPH, an infectious disease physician and medical director of public health programs at Boston Medical Center, told Health. Cloth masks are not enough: there are either not enough layers to filter out the viral particles or the weave is too loose,” she said. But all things being equal, masks in a well-secured box or bag, whether individually wrapped or not, are a safer bet. They also come with a soft silicone strap that helps tighten the mask’s ear loops without any pinching or pressure on your ears. The “KF” in KF94 stands for “Korean filter” and the number 94 indicates the mask’s filtration efficacy.While experts aren't sure why, the variant is not only more transmissible than previous strains, and it's better able to evade vaccines, leading to more breakthrough infections. Most of the rest of what you’ll see on the market are KF94 masks, the South Korean equivalent of an N95 mask, and pleated disposable masks.

Cho is also a fan of this mask, saying it’s so lightweight and comfortable that she almost forgot she was wearing one. If the ear loops are too big, you can tighten them by tying knots or adding toggles or a strap that connects the loops behind your neck. Reviewers say they're comfortable and form a nice tight seal around the face, with no gaps around the edges.Data on the filtration efficacies of various masks against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) are limited. A previous favorite in the cloth mask space, Vida now makes disposable KN95s as well, and they're from EUA-approved factories in China.