Nevados classic Glacier Storm Boots feature a suede and synthetic upper and a waterproof membrane for durable and dry comfort on any adventure.. . . . . Waterproof membrane keeps feet dry. Thermolite insulation for warmth. Padded tongue and collar for comfort. Durable lug sole. Suede, synthetic upper. Textile lining. EVA midsole & footbed. Manmade outsole. Damp cloth to wipe clean. Imported.