Injection molded Workbrutes PVC overshoe has 46 percent more material in its outsole than the nearest slush molded competitor. Frigiflex PVC compound contains special additives for high stretch and flexibility in cold temperatures. Ideal Applications: Food Processing, Construction, General Industry, Transportation, and Hazardous Waste Cleanup. Chemical Resistance: Some exposure to fats, certain acids, hydrocarbons, and caustics. Not recommended for use in ketones, aldehydes, and many solvents.