100% Polyester. Design: Plain. 160gsm. Conforms to Safety Standard: EN ISO 20471 Class 2, EN ISO 20471 Class 3. Fabric Technology: Flexible, Moisture Wicking, Quick Dry. 3 Button Placket, High-Vis, Reflective Strip, Seamless, Side Seams. Fastening: Button, Pull Over. Neckline: Rib Knit, Turn Down Collar. Sleeve-Type: Short-Sleeved. S: 35 in. M: 39 in. L: 42.5 in. XL: 46.5 in. XXL: 49 in. Ref: UTBC7096