Designed to fit over deep heel footwear, the ATS Overshoe features a patented traction technology that utilizes an industrial strength stud design to provide slip resistance on both hard and soft surfaces. Ozone-resistant, abrasion-resistant rubber offers 100% waterproof protection. ZXT rubber is a premium compound of rubber that has a high tensile strength, which means greater tear-resistance and greater durability. 3M Scotchlite reflective material on the heel for increased visibility. Designed to fit over deep heel leather footwear. Protects against salts, oils, creosote and diesel fuels. Four non-corrosive steel buckles help ensure a snug fit. ATS Overshoe outsole features features industrial strength carbide studs set in harder rubber through the middle of the foot and softer rubber outer for excellent traction outdoors on the ice, yet maintains grip on harder indoor surfaces. 12" height.