Men's Northerner Max 15" Knee Boot – Seamless, 100% waterproof over-the-foot boot designed to protect against common agricultural chemicals, fertilizers, fuels & animal waste. Made of 3 injection-molded compounds formulated for agricultural use. Features long-lasting, slip-resistant outsole with cushioning centersole, contour cushion insole, extended and ribbed steel shanks, and higher, wider kick-off lugs. American made.