UGG Classic Ultra Mini Nubuck boots pair the brand's signature sheepskin comfort with a compact ankle profile and a lightweight rubber sole — ideal for casual cold-weather wear. Key attributes: Brown | Dark chestnut | Leather | Warm sheepskin lining | Lightweight sole | Wool insole | Fur/sheepskin lining | Logo label on heel | Flat rubber sole | Short ankle silhouette | Reverse sheepskin (nubuck) upper | Overlock stitch detailing | Dimensions & fit: US size | Composition & care: Upper: 100% Leather | Sole: 100% Rubber | Spot clean with a damp cloth. For nubuck, use a suede/nubuck cleaner and brush. Allow to air dry away from direct heat.