Tingley 35121 workbrutes 10″ work boots, black, cleated outsole, xl workbrutes – more material, more traction, longer wear. Workbrutes pvc overshoes have thicker and deeper cleats for better grip and longer wear. Injection molded workbrutes pvc overshoe has 46% 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.