The Loopy Tabby yarn library

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4 series

What CYC means.

CYC refers to the Craft Yarn Council’s Standard Yarn Weight System. It runs from 0 (the finest) to 7 (the thickest), and describes thickness—not the weight of one ball or the number of plies. We measure WPI and test gauge before assigning the closest category.

  1. 01 Measure WPI in several places without stretching the yarn.
  2. 02 Confirm net weight and meterage from the production label.
  3. 03 Crochet, wash, and measure a 4-inch single-crochet swatch.
  4. 04 Assign the closest CYC category and publish the tested gauge.