This Safety vest provides extra comfort for the wearer through a zipper. Please note: the size combination XS-S is certified according to EN ISO 20471: 2013, Class 1. The safety vest has a stitched striping. Quality: 100% polyester, Warp knit, 120 g / m². Available colors: Fluo Orange and Fluo yellow. Sizes: XS / S - 5XL. Conform: The Rijkswaterstaat guidelines are applied, just like the EN ISO 20471: 2013 / Class 2 standard for High Visibility.