“Dyed-in-the-wool” is another term for stock dyeing because the fiber is still in the form of loose fleece. Most stock-dyed wool is made into woolen yarns. Worsted wool is never dyed until after it is combed and dyeing at this stage is called top dyeing. Both methods produce the highest penetration of dye and the highest quality of colored yarns. Wool dyed this way is also used to make speckled yarns of mixed colors and subtle heathers.
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