On piece-dyed goods part of the finishing is done before and part after the dyeing process.
piece-dyed fabrics may be distinguished from yarn-dyed fabrics by unraveling threads of each kind.
Being a common and popular material for summer wear, it is usually made as a piece-dyed fabric.
A good reason for making it piece-dyed is that this method is much cheaper than if the yarn is dyed previous to the weaving.
If on the other hand, the interior of the yarn is not so highly colored as the exterior, it is piece-dyed.