Rubber sole The Georgia Boot Giant Romeo Work Shoe Features The Georgia Giant Polyurethane Outsole Is Resistant To Oil, Abrasions And Chemicals Allowing It To Be Highly Durable. A Bumper Guard Just Above The Toe Of The Work Shoes Helps Protect This Comfortable Footwear From Abrasions And Oils. A Steel Shank Has Been Incorporated Into The Shoes For Steady Footing; It Supports Your Foot Arch And It Gives The Footwear More Stability And An Eva Midsole And Covered Cushion Insole Feels Great And Helps Alleviate The Pressure You Put On Your Feet.