These cloth-crafted masks also feature a three-panel design to accommodate a wide range of facial movements. $38 at Amazon ...

Chief Cabinet Secretary Suga Yoshihide has worn masks with designs by Japan’s indigenous Ainu people, while Okinawa governor Tamaki Denny opts for masks handmade from traditional Okinawan cloth.

Onishi found that cloth and gauze masks had 100-percent leakage rates. Dust masks had the lowest rate, 1 percent, when they were worn correctly. When they were worn casually, the rate was 6 percent.

Objectives To (1) determine if wearing a cloth face mask significantly affected exercise performance and associated physiological responses, and (2) describe perceptual measures of effort and ...