With its reinforced heel and toe, Tingley work overshoes are designed to stand up to tough daily wear. That's why they are considered the industry standard. Injection molded, seamless construction for 100% waterproof protection. Excellent tensile strength, ease of stretch and tear resistance for more durability, better comfort, and easier on and off. Will not crack or stiffen in the coldest of weather. Deep cleated outsole spits out debris for good slip resistance and longer wear. Heavy duty heel kick-off cleat for easy no hands removal. No hardware to conduct, tear, or snag. No lining for easy cleaning and decontamination. More material in heel, toe, and sole for longer wear. Less material in the upper results in lighter weight and reduced leg fatigue.