Conforms to EN ISO 11611:2015, EN ISO 11612 A1&2, B1, C1, E1, F1 and EN ISO 14116 index 3/50I/75. Excellent value for money. Phoenix is 100% cotton with a durable flame retardant treatment. A high level of wearer comfort and absorbency. Offering good level of protection from splashed and sparks caused by welding, grinding, gouging and similar processes (EN ISO 11611). Contains no substances which may be harmful to wearers skin. When a flame or spark comes into contact with the surface of the fabric, it forms a charred area which helps to insulate the wearer from the heat. Within 2 seconds any flame or glows will extinguish and the charred area will turn brittle as it cools, eventually falling out leaving a hole, which can be repaired by a qualified machinist using the same fabric.