DuPont Tyvek knee-length overboot available in white and in one size. Elasticated top and fixation ties. Stitched internal seams. Specially designed for use with Tyvek® apparel, Tyvek accessories can help offer enhanced protection for body parts that are more exposed to hazardous substances. Knee-length boot covers Tyvek® boot coverwith slip-retardant sole is composed of flash spun high density polyethylene, providing an ideal balance of protection, durability and comfort.