SYNQ & SAFE • Work safely ánd comfortably? The SYNQ® Wellit is the way to go! This 100% recycled polyester high-vis sweatshirt is both strong and flexible. Its half-zip closure and smooth fabric make layering easy. And as for high visibility? Count on EN ISO 20471 protection class 2 (for sizes XS-M) and class 3 (from size L) to keep you well-lit.