The OPAL brand stands for high-quality and sustainable pullover and sock wool, which is exclusively produced in Germany. In the family business in Hechingen at the foot of Hohenzollern Castle (Baden-Württemberg), knitting yarns with a sense of responsibility for society, the environment and people have been produced in imaginative collections for almost 30 years. With the Rainforest and Schafpate collections, the Opal brand also makes a financial contribution to environmental protection and the preservation of German migrant sheep farming.