From UGG , the Men's Burleigh Waterproof Lace-Up Winter Boots feature:Waterproof suede upperSeam-sealed constructionGusseted tongue with water repellent coatingBest for: casual, light or moderate rainMetal eyelets, padded collarColor/upper chestnut/waterproof suedePolyester lacesUGGVentilate lining (5mm UGGplush 60% upcycled wool, 40% lyocell)10mm UGGplush 60% upcycled wool, 40% lyocell socklinerSugar