Water and dirt are no match for these Helly Hansen protective overalls. Designed for extreme working conditions, the Impertech II pants are made of double-layer knit polyester with a stretch polyurethane coating for easy mobility while you work. They’re waterproof, edge-stitched and welded at the seat and knees for durability. With a high front and low back, they’re breathable so you won’t overheat and the adjustable heavy-duty suspenders have easy click-type connectors.Main fabric: .24 mm circular knit polyester backing with stretch polyurethane coating