Masterwear Features Specification Standards FAQ Buy now EN ISO 20471 Cl. 2 4% Elastane Waterproof Zip Fleece lining Prevent® / Asatex PREVENT Trendline PTWHigh-Visibility VestComfort, Style & Visibility The Prevent Trendline PTW high-visibility vest from Asatex combines high visibility according to EN ISO 20471 Class 2 with a comfortable fleece lining, a waterproof chest pocket and 4% elastane for freedom of movement. Available in orange/black and yellow/black – for industry, construction sites and outdoor work. 96% polyester + 4% elastane – the stretch fabric gives in all directions and allows unrestricted movement without annoying pulling or tension. Buy now Specifications...