Lambswool
Lambswool is wool which is  or shorter from the first shearing of a sheep, at around the age of seven months. It is soft, elastic, and slippery, and is used in high-grade textiles. Weaner fleece is wool  or longer from young sheep, that have been shorn for the first time, and which exhibits the characteristic lambs tip and staple structure. References

Livestock in Australia
Sheep wool