With lambswool it is more difficult to demonstrate benefit from choosing Perendale wool over other breeds. This is due to the naturally crimpy nature of all New Zealand crossbred lambswool. The majority of these wools enter the ‘Shetland’ trade via woollen-spun yarn production where lack of bulk is of little concern. In addition the finished knitted or woven product surface has undergone considerable modification by milling techniques which mask the influence of fibre crimp differences.
As a consequence the need for fineness outweighs consideration to increased bulk, with the need for good colour of secondary importance. Insufficient staple length may cause some limitations to end-use with a 2-3 inch the most common specified range. Users appreciate that the length variability is an unavoidable feature, and if anything may help to create a bulkier yarn.