Grey Rubber upper Rubber sole Crafted Specifically For Sport And Recreational Fisherman Built With Yulex, A Natural Rubber Derived From The Sap Of The Hevea Tree Equally As Durable, Flexible, And Comfortable As The Original Adb 100% Waterproof: Boots And Footwear That Are Built To Be 100% Waterproof Slip-Resistant: Our Sra Rated Slip-Resistant Outsoles Are Made From An Exclusive Rubber Compound That Grips The Floor Surface Creating Sure Footing Xpresscool: Evaporative Cooling Liner That Helps Regulate Foot Temperature To Keep You Comfortable In Both Cool And Warm Environments Xtratuf Ankle Deck Boot Eco