The Tingley Hi Top Work Rubber covers narrow width work shoes up to the ankle. Reinforced heel and toe. Injection molded, seamless construction for waterproof protection. Easy stretch and tear resistance for more durability. Easy on and off. Will not crack or stiffen in cold weather. Deep cleated outsole is self cleaning and promotes slip resistance. Study molded in rubber button on boot styles for secure closure. More material in heels, toe, and sole for longer wear. Less material in the upper results in lighter weight and reduced leg fatigue.