80% Polyester, 20% Cotton Twill. Fabric: Stretch. Design: Reflective. 280gsm. Pockets: 1 Patch Pocket, Ruler Pocket, 2 Zip Pockets, Flap Closure. Fastening: Button. Fabric Technology: Hardwearing. Bar Tack Stress Points, Belt Loops, Contrast Panel, Hammer Loop, Tearaway Label. Waistline: Part Elasticated. Suitable for: Embroidery, Transfer Printing. Conforms to Safety Standard: EN ISO 20471:2013 Class 1. Ref: UTBC5685