SAS X-Tra Grip™ Sole: The SAS X-tra Grip Sole™ has outperformed industry standards using the Brungraber Mark II testing method for wet and oily conditions. The unique hexagon shape rubber outsole pattern helps to channel floor spills to maintain effective contact with floor surfaces and is non-marking. Our polyurethane midsole is a lightweight and flexible component that provides comfort without compromising support. Water Resistant Leather Upper: Genuine, sturdy leather has been treated in our factory to resist the absorption of water and keep your foot dry. *size 8.5 WW. Gently used. Excellent condition.