100% Polyester. Fabric: Knitted. Design: Contrast Trim. Neckline: Collared. Sleeve-Type: Short-Sleeved. 3 Button Placket, High-Vis, Reflective Tape, Twin Needle Stitching. Conforms to Safety Standard: EN ISO 20471:2013 Class 2. 210gsm. Sustainability: Oeko-Tex Standard 100 Certified, REACH, Sedex. Ref: UTPC5489