Tingley eva ultra lightweight men's knee boots men's ultra lightweight knee boots that are built for comfort and durability. in all temperatures. your feet will be kept warmer in the cold and cooler in the heat by way of tiny air bubbles that self insulate the boot. they are 100 percent waterproof and have a lightweight, removable polyurethane contour insole for comfortable cushioning. the cleated outsole provides good traction. the best part they are 70 percent lighter than other waterproof rubber and pvc knee boots! features: 70 percent lighter than other waterproof rubber and pvc knee boots 100 percent seamless waterproof construction great low temperature properties for flexibility and durability tiny air bubble self insulate, keeping feet warmer in cold weather and cooler in the heat cleated outsole provides good traction comfortably cushioned removable insole item specifications: color: black height: 15 inch