100% Polyester. Design: Contrast Piping, Reflective Detail. 120gsm. Conforms to Safety Standard: EN 17353:2020 Type B3. 50mm Sewn On Safety Tapes, Bound Edges, Deep Armholes, High-Vis, Lightweight, Reflective Tape, Tearaway Label. Fastening: Tear Release Front Closure. XXL-3XL: 51 in. Ref: UTPC7938