With 2 -way stretch fabric, an expandable front for improved movement and a multitude of features coupled with an improved fit and heat transfer reflectives the Alna 2.0 Construction Vest is a great option for staying visible and safe. :EN ISO 20471:2013 Class 1 2-way stretch fabric No shoulder seams Ykk® front zipper Expandable front for improved movement Possibility to use over winter jackets Opening at back for harness Multiple pockets ID card loop Plastic covered metal buttons Cordura® hanging pockets with double lined bottom and nylon webbing for durability Broad center back belt loop for extra stability and strength Removable belt