UGG Classic Ultra Mini brings the brand's signature sheepskin comfort to a lower-shaft boot designed for easy on-and-off wear and everyday warmth. Key attributes: Chestnut | Twinface sheepskin | Topically applied water-repellent treatment | Lightweight Treadlite or EVA outsole | Cushioned, traction-focused sole | Rear pull tab for easy on/off | Foam footbed | Slip-on construction | Asymmetrical topline | Suede heel counter | Overlock stitch detailing | Leather or woven heel label | Dimensions & fit: 3.5" shaft height | True to size | Composition & care: Twinface sheepskin upper | Sheepskin lining (UGGplush™) | Wool and lyocell lining components | Foam footbed | EVA/Treadlite outsole | Suede heel counter | Leather heel label | Polyester/textile binding | Pre-treated with a water-repellent finish; re-treat periodically to maintain protection..UGGs feel snug at first, but the lining expands with wear. We recommend your usual size.