100% Polyester. Fabric: Mesh. Design: Plain. Conforms to Safety Standard: ANSI/ISEA 107-2004, EN ISO 20471:2013 Class 2. Fabric Technology: Breathable, Lightweight. Reflective Tape. Sleeve-Type: Sleeveless. Neckline: V Neck. Fastening: Hook and Loop. M: 42 in. L: 46 in. XL: 50 in. XXL: 54 in. 3XL: 58 in. Ref: UTRW10320