Injection molded rubber provides seamless and 100% waterproof protection for your primary footwear. These overshoes easily stretch over bulky work shoes and are designed with thicker gauge in the heel, toe, and soles for longer wear. Sturdy molded in rubber button provides a secure closure and there's no metal hardware conduct, tear, snag, or corrode. Specially formulated for ease of stretch, these overshoes are easy to put on and take off. They are tear resistant for more durability and they won't crack or stiffen in the coldest weather. Heavy duty heel kickoff for hands free removal. Tingley's Work Rubber overshoes are designed to stand up to tough daily wear. That's why they are considered the industry standard for work rubber overshoes.