UGG "Shasta" snow boots in waterproof leather and features an internal GORE-TEX, waterproof yet breathable layer; Features UGGplush™ lyocell-wool blend lining for a soft, cozy, unmistakably UGG feel; Flat chunky heel; Round toe; Lace-up vamp; Drawstring sockliner; Backstay pull tab; Heel logo; Rubber mudguard; Sugarcane EVA midsole; GORE-TEX seam seal tape; Vibram® outsole for state-of-the-art traction; Best for: Heavy rain, Heavy snow; Imported