UGG Classic Birch Boot II updates a rugged pull-on silhouette with waterproof nubuck and plush sheepskin lining for insulated, slip-on winter wear. Key attributes: Chestnut | Nubuck | Waterproof nubuck | Insulated sheepskin lining | High-traction rubber lug outsole | Slip-on design | Rear pull tab | Fully lined shaft | Lightweight EVA midsole | Panel construction | Contrast stitching on the welt | Reinforced heel with heat‑embossed UGG logo | Embossed radial rear tie rod | Composition & care: Upper: waterproof nubuck and 17mm twinface sheepskin | Lining: 10mm UGGplush (60% wool, 40% lyocell) | Sockliner: 10mm UGGplush (60% wool, 40% lyocell) | Midsole: EVA (sugarcane-derived) | Outsole: Rubber lug sole | Shank: Nylon | Brush to remove surface dirt. Spot clean with a suede cleaner and a damp cloth. Allow to air dry away from direct heat. Protect with a suede treatment before first wear.