Polyurethane boots, that contains millions of tiny air bubbles, making the boots lightweight and giving excellent thermal insulation. UPPER: Anatomic Polyurethane upper OUTSOLE: Easy cleaning Polyurethane outsole, dust-proof LINING: Anti-bacterial sock FOOTBED: Removable insole made with an antistatic foam with extra grip printing. Good sweat managing for extra comfort. SPECIAL: Insulation -20°C -4°F CERTIFICATION: EN ISO 20347:2012 04 SRC CI
