Dupont Tychem® 2000 C Hooded coverall with elastic face opening and adhesive chin flap for tight fit around respirator, stitched and over-taped seams, double self-adhesive zipper flap, elastic cuffs, ankles and waist, thumb loops, 100% particle tight fabric, excellent barrier against a broad range of concentrated INORGANIC chemicals and biological hazards. Antistatic treatment (inside) .