Slazenger Mens Bing Lambswool Cardigan - Black Slazenger Heritage Bing Knit Cardigan in Black Lambswool with Slazenger Heritage Gold logo on left side of chest. Features: 6 Button style Branded Limited edition 100% Extrafine Lambswool Slim Fit Worn by Bing Crosby in 1977 100% extra fine lambswool