100% Recycled Polyester. Fabric: Birds Eye, Knitted, Stretch. Design: Plain. Neckline: Crew Neck. Sleeve-Type: Short-Sleeved. Fabric Technology: Breathable, Lightweight. Reflective Tape. Fit: Slim. 150gsm. Conforms to Safety Standard: ANSI/ISEA 107 Type R Class 2, EN ISO 20471 Class 2, RIS 3279 Tom Class 2. Sustainability: Environmentally Friendly, Made from Recycled Materials, Oeko-Tex Standard 100 Certified, REACH, Sedex, WRAP Certified. Sun Rating: UPF 40+. S: 38 in. M: 41 in. L: 44 in. XL: 48 in. XXL: 52 in. 3XL: 55 in. 4XL: 58 in. Ref: UTRW11002