Base Camp Cloth Face Mask 2-Pack The Base Camp ... If you like the look of paisley bandanas but prefer a traditional-fitting face mask, Levi's reversible masks are a good choice.

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.