75% Polyester, 25% Cotton. Fabric: Knitted, Terrycloth. Design: Reflective Detail. 280gsm. Conforms to Safety Standard: EN ISO 20471. Cuff: Ribbed. Fastening: Pull Over. Hem: Ribbed. Neckline: Crew Neck, Ribbed. Sustainability: OEKOTEX. S: 36 in. M: 39 in. L: 42.5 in. XL: 45.5 in. XXL: 48.5 in.