80% Cotton, 19% Polyester, 1% Carbon Fibre. Design: Two Tone. 340gsm. Fabric Technology: Abrasion Resistant, Bizflame Ultra, Flame Resistant, Protection Against Contact Heat, Protection Against Convective Heat, Protection Against Radiant Heat. Colourfast, Elasticated, Hardwearing, Shoulder Straps, Wash Tape. Pockets: Internal, Zip, Knee Pad Pockets. No. of Pockets: 10. Hem: Adjustable. Conforms to Safety Standard: ASTM F1959/F1959M-12 ATPV 16 CAL/CM2 (HAF = 83.7%), CE Certified, CE-CAT III, EN 1149-5, EN 13034 Type 6, EN 13034 Type PB, EN ISO 11611 Class 1 A1+A2, EN ISO 11612 A1+A2, B1, C1, E2, F1, IEC 61482-2 IEC 61482-1-1 Elim 11 CAL/CM², IEC 61482-2 IEC 61482-1-2 APC 1, UKCA. Ferrous Free, Nickel Free, No Shrinkage, Non-Magnetic. Sun Rating: UPF 40+. Ref: UTPW1195