Tyvek 400 pants provide an ideal balance of protection, durability and comfort. Composed of flash-spun, high-density polyethylene to create a unique, nonwoven material offering protection against particles down to 1.0 micron. Applications include lead and asbestos abatement/remediation, general maintenance/operations, spray painting and general clean-up. Wear with item #230036, Tyvek 400 shirt.