The UGG Caulder Boot blends a classic rugged style with modern comfort technology to keep you comfortable and warm all season long. Waterproof, full grain leather upper with a round toe. Waterproof seam-sealed construction keeps out the wet elements. Adjustable lace-up closure for a secure fit. Side zipper closure for easy on and off. Soft wool lining for added comfort and warmth. 200g Thinsulate insulation for superior warmth and comfort. Cold weather rated -20 C. enerG Comfort System footbed provides arch support support and is lined with moisture-wicking fleece. Treadlite by UGG outsole with white Spider Rubber pods to provide maximum cushioning and traction. Imported. Measurements: Weight: 1 lb 2 oz Shaft: 6 in Product measurements were taken using size 9, width D - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.