UGG Classic Ultra Mini Boots combine a reversed shearling and suede upper with a sheep-wool insole for compact, everyday winter warmth and comfort. Key attributes: Black | Shearling and suede | Insulating wool insole | Sheep-wool insole | Rounded toe | Reversed shearling upper | Suede finish | Classic mini silhouette | Dimensions & fit: Shaft height: 9 cm | 5 US = 3 UK; 36 EU | 5.5 US = 3.5 UK; 36.5 EU | 6 US = 4 UK; 37 EU | 6.5 US = 4.5 UK; 37.5 EU | 7 US = 5 UK; 38 EU | 7.5 US = 5.5 UK; 38.5 EU | 8 US = 6 UK; 39 EU | 8.5 US = 6.5 UK; 39.5 EU | 9 US = 7 UK; 40 EU | 9.5 US = 7.5 UK; 40.5 EU | Composition & care: 100% Ovine leather | 80% Wool | 20% Lyocell | 100% Polyester | 100% Rubber