Conforms to EN ISO 20471 Class 2 (Sizes XS-L), Sizes XL-6XL certified to EN ISO 20471 Class 3 and RIS-3279-TOM. Specifically designed for the female wearer. Lightweight, quick drying polyester Coolviz Plus fabric . Unique chevron design segmented reflective tape for improved breathability and allowing garment stretch. Perfect for the warmest weather conditions. Mesh Ventilated Under-arms. Segmented Reflective Tape. Split Hem Design. Hi-Vis Yellow Collar with Contrast Grey Reverse, Lining & Neck Tape. 3 Button Placket with Contrast Grey Lining & Buttons .