Clean Room coveralls are fully breathable, feature an attached hood with elastic, long sleeves, cuff and ankle with elastic, flapped zipper front, waist back with elastic. Protection against Type 4 /5 /6 (Type 4 = Spray-tight type liquid chemicals, Type 5 = Airborne solid particulate chemicals, Type 6 = Limited protection against liquid mist). Available in M, L, XL, XXL, XXXL, and XXXXL