Input (grade 11): Since medieval times Jersey, Channel Islands, where the material was first produced, had been an important exporter of knitted goods and the fabric in wool from Jersey became well known. The fabric can be a very stretchy single knitted, usually light-weight, jersey with one flat side and one piled side.
Output (grade 11): Since the Middle Ages, the island of Jersey exported a lot of knitted goods; the fabric used became well-known under the name.