Tingley WorkBrutes PVC Overshoes with thicker, deeper cleats for better grip and longer wear. Injection molded Tingley Workbrutes PVC overshoe has 46 percent more material in its outsole than the nearest slush molded competitor. Tingley 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. Tingley is ISO 9001 Certified.