Natural Rubber Work Overshoes. Stretch easily over the bulkiest of workshoes. With its reinforced heel and toe, these work overshoes are designed to stand up to tough daily wear. That's why they are considered the industry standard. Ideal Applications: Food Processing, Transportation, Utilities, Construction, General Industry, Municipalities, and Agriculture. Chemical Resistance: Acids, alcohols, bases and diluted water solutions of most chemicals that are water soluble. Not recommended for constant contact with petroleum and oil based products.