Most fiber artists find Acrylic Yarn to be softer than wools or alpaca, however depending on the sensitivities of who you are intending to knit or crochet for, or even for your own comfort you may want to soften the yarn.
How to Soften Acrylic Yarn: 3 Methods - Amelia Makes
Red Heart Super Saver Orchid E300-530 (3-Skeins - Same
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Mary Maxim Titan Yarn Chunky Acrylic Bulky Weight 3 oz Lot of 3
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How to Soften Acrylic Yarn
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Super Soft Yarn Medium Weight Premium Acrylic – Mary Maxim Ltd