Corriedale Top Dyed from Ashford - sold by the oz Ashford Corriedale sliver is a 100% New Zealand product with wool from pasture-fed sheep. Micron 27-30, Staple length approx. 4¼ inches. A soft wool for spinning & needle felting. Corriedale wool has a defined, even crimp and is smooth and easy to spin or felt. You can spin a fine to medium woollen, worsted or semi-worsted yarn. Corriedale will bulk after washing and has good elasticity. It is ideal for baby wear, woven, knitted or crocheted garments.