99% Cotton, 1% Carbon Fibre. Design: Plain. 330gsm. Fabric Technology: Bizflame Pro, Durable, Flame Resistant, Protection Against Contact Heat, Protection Against Convective Heat, Protection Against Radiant Heat. No. of Pockets: 6. Pockets: Ruler Pocket, Chest, Stud Fastening, Mobile Phone, Concealed. Bar Tack Stress Points, Brass Zip, Protection Against Molten Metal Splash, Radio Loop. Neckline: Collared. Conforms to Safety Standard: CE Certified, CE-CAT III, EN 1149-5, EN ISO 11611 Class 1 A1+A2, EN ISO 11612 A1+A2, B1, C1, E3, F1, UKCA. Cuff: Adjustable, Stud. Fastening: Two Way Zip. Sun Rating: UPF 40+. Ref: UTPW590