UGG Classic Ultra Mini is a low-shaft winter boot that combines plush sheepskin lining with a lightweight, cushioned sole for easy on-and-off everyday cold-weather wear. Key attributes: Gray | Charcoal | Sheepskin | Lightweight sugarcane EVA or Treadlite sole for cushioning | Post-applied water-repellent treatment | Rear pull tab for easy on/off | Flexible, lightweight sole | Mini ankle silhouette | Asymmetrical topline | Embossed logo heel label | Dimensions & fit: May fit slightly snug initially; sheepskin can stretch and adapt with wear.