300D Polyester Conforms to EN ISO20471:2013 Class 1 & EN343 Class 3.3 Made of soft touch breathable PU transfer coated outer fabric with mesh liner 3M heat sealed reflective tapes around the bottom of each leg; two access pockets Snap buttons for adjustable ankle Stitched and tape welded seams throughout The manufacturer guarantees the reflective property according to EN standard for 25 washing cycles at 40°C