Biella - Italian yarn spinner Zegna Baruffa has rebranded its luxury Cashwool brand. The company is clear that Cashwool 1978 is not intended to be a brand new product. Instead, it is keen to stress that Zegna Baruffa Lane Borgosesia has been producing this high quality yarn for nearly 40 years, revolutionising, it says, the way worsted wool and knitwear made from it are produced.