Crafted from seam-sealed waterproof leather, UGG updated a traditional chelsea silhouette with an outsole and shell molded together for extra protection. Adding their UGGplush wool blend for signature comfort and warmth, the Gatson will help you outlast the elements in style. Waterproof Features are designed to help protect against mild or moderate weather conditions, but not suitable for heavy precipitation. Features waterproof materials, and waterproof seam-sealed construction below the ankle. If present, zippers are treated with water-repellent coatings.