Composed of Tyvek® 400 flash-spun, high-density polyethylene which creates a unique, nonwoven material|Offers inherent barrier against particles down to 1.0 micron in size|Protection built into the fabric itself, no films or laminates to abrade or wear away|Comfort fit design enables a greater range of movement while stretching and bending with reinforcement in high stress areas|Available in many different styles