LaCrosse Men's 5 Inch ATS Overshoe Carbide Stud Work Boot 100% Rubber Imported Rubber sole 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