Airgo, Size 9, Ultra Lightweight Knee Boot, Built For Comfort, 70% Lighter Than Other Waterproof Rubber & PVC Knee Boots, 15" Plain Toe, Cleated Outsole Design For Good Traction, 100% Seamless Waterproof Construction, Tiny Air Bubbles Self Insulate, Keeping Feet Warmer In The Cold & Cooler In The Heat, Great Low Temperature Properties For Flexibility & Durability, Removable Polyurethane Contour Insole Completes The Comfort Experience.