UGG Ultra Mini Leather Snow Boots combine compact protection with warm wool lining and a high-traction lugged sole—ideal for snowy, cold days. Key attributes: Black | Calf leather | High-traction lugged rubber outsole | Thermal insulation | Rear pull-on loop for easy on/off | Softly padded interior for warmth | Rigid toe construction for protection | Mini shaft silhouette | Rounded toe | Lugged outsole profile | Composition & care: Outer: 100% Calf Leather (Bos Taurus) | Inner: 100% Wool | Sole: 100% Rubber