100% Polyester. Design: Contrast. Neckline: Contrast, Knitted, Turn Down Collar. Cuff: Contrast, Knitted. Sleeve-Type: Short-Sleeved. 3 Button Placket, High-Vis, Reflective Tape, Twin Needle Stitching. Conforms to Safety Standard: EN ISO 20471:2013 + A1:2016 Class 2, RIS-3279-TOM. 210gsm. Sustainability: Oeko-Tex Standard 100 Certified, REACH, Sedex. Ref: UTPC5636