A very high grade, distinctive breed developed from several various strains. For 160 years, Australia has constantly improved the quality of its wool. Sheep in this class are large in stature, thrive well in large flocks, and have the stamina to withstand drought and dry vegetation better than other breeds. The fleece is very dense and averages 8 to 10 pounds in weight. Staple length is 2 l/2 to 4 inches.