Portwest Composite Operis Safety Boot S3 sizes 37-48 - FC60 Stylish design combined with total S3 safety in a 100% non metallic boot. Lightweight construction with a durable PU/Rubber outsole for slip resistance and shock absorption. Features CE certified Composite toecap for added protection Pierce resistant composite midsole Anti-static footwear Energy Absorbing Seat Region Water resistant upper to prevent water penetration SRC - Slip resistant outsole to prevent slips and trips on ceramic and steel surfaces Heat resistant outsole - 300C Fuel and oil resistant outsole Dual density sole unit Materials Nubuck