Made with Bogs's Max-Wick that evaporates sweat to keep feet dry, this waterproof boot is great for the cooler seasons. DuraFresh biotechnology prevents unpleasant foot odors no matter how far you walk. Waterproof: protects against rain, puddles and slush to keep feet dry in wet conditions 9 3/4" shaft; 14 3/4" calf circumference Pull-on style Removable insole Moisture-wicking material engineered for dryness and comfort Temperature rated to -13°F Rubber and textile upper/textile lining/rubber sole Imported