The Tingley Eagle Overalls are extremely lightweight and comfortable. The Eagle overalls are made of 200 denier nylon and coated on the inside with polyurethane.  The O21007 is ASTM E96 tested for proven breathability and comfort. The exterior DWR (Durable Water Repellency) coating offers 100% waterproof protection.  The Eagle overall is generously cut to fit over the heaviest of work clothes and is ideal for many applications including agriculture, food processing, municipalities, and general industry. The O21007 overalls also have some chemical resistance to most hydrocarbon oils, organic acids, alkalis, and some organic solvents. Not recommended in ketones, alcohols, and certain solvents.