Made from lightweight, durable fabric, the Tyche 6000F hooded Coverall offers chemical permeation protection to an extensive range of chemicals, highly concentrated inorganic chemicals, particulates, biohazards and certain chemical warfare agents. Stitched and over-taped seams with barrier tape for protection and strength, the Tyche 6000F features a self-adhesive double zipped flap closure system for higher protection and conforms to: Chemical protective clothing, Category III. Type 3-B. 4-B. 5 + 6.