Overalls manufactured in 260 grams weight Nomex Comfort fabric, two way brass front zip, complete with knee pad pockets etc Conforms to the following standards: EN470 Workers involved in welding and allied processes. EN531 (A,B1,C1) Protective clothing for workers exposed to heat. EN1149 Protection against static electricity. Fabric conforms to EN533-3 Protection against flames. Available in navy, red, orange, and royal blue. Special styles/colours please enquire.