UGG Chelsea Lug Leather Boot (style 1172990-BLK) pairs a rugged, worn-in leather look with plush UGGplush lining for lasting comfort and everyday wear. Key attributes: Black | Leather | UGGplush lining for softness and comfort | Contoured EVA footbed for cushioning | Lightweight EVA outsole | Textile sockliner with anti-odor treatment | Elastic side gore panels for easy on/off | Reinforced heel counter for stability | Twinsole interchangeable insoles | Chelsea silhouette | Round toe | Burnished, worn-in finish | Pull-on style with rear tab | Dimensions & fit: Heel height: 3.5 cm | Fits true to size; buy your usual size. | Composition & care: Leather (upper) | Textile lining | UGGplush sockliner (10 mm: 60% wool, 40% TENCEL Lyocell) | Twinsole insoles (wool insole and foam insole) | EVA outsole | Wipe clean with a damp cloth. Treat leather with a suitable leather cleaner/conditioner as needed. Do not machine wash..UGGs feel snug at first, but the lining expands with wear. We recommend your usual size.