The most effective fabrics for cloth masks

Cloth masks

The most effective fabrics for cloth masks are

  • Tightly woven fabrics, such as cotton and cotton blends
  • Breathable
  • Two or three layers

Less effective fabrics for cloth masks are

  • Loosely woven fabrics, such as loose knit fabrics
  • Difficult to breathe through (like plastic or leather)
  • Single layer

See CDC reference for more info