Three-layer fabric construction features a middle layer of microporous film. Allows heat and sweat vapor to escape while protecting against dry, particulates and liquid. Passes ASTMF1670/1671 testing for penetration of blood, body fluids and bloodborne pathogens. Seamless front provides more protection in primary exposure areas. Zippered front with taped storm flap. Outer layer provides protection of film barrier against tearing and abrasion. Elastic across the back.