What is dupioni silk?

Dupion silk is the silk obtained from double cocoons. The fabric made out of this silkyarn is the dupion fabric.The yarn and the fabric have more neps or slugs on it which is a natural feature.Some times defective cocoons are also mixed with the double cocoons to obtain dupion silk yarn.The dupion yarn is coarser than the reeled yarn.

In most parts of Karnataka,India,the double cocoons are usually reeled on Charakha.These days they are also reeled on dupion reeling machine.