UGG Classic Ultra Mini is a low‑shaft sheepskin boot updated with an ultra-light sole for easy on/off wear and everyday warmth. Key attributes: Black | Sheepskin | Topically applied water-repellent treatment | Lightweight, cushioned sole | Slip-on style | Lightweight EVA/Treadlite outsole | Sheepskin lining for insulation | Round toe | Asymmetrical topline | Overlock stitch detailing | Rear logo patch | Suede heel counter | Pull tab at heel | Dimensions & fit: Shaft height: 3.5" | Composition & care: Twinface sheepskin (upper) | Sheepskin lining | Wool 80% / Lyocell 20% (insole) | EVA outsole | Leather details | Brush or wipe clean; spot-clean with a suede/sheepskin cleaner. Allow to air dry away from direct heat. Reapply water-repellent treatment as needed. Do not machine wash.