Colorwork without the work. The beauty of Nordica is the consistent self-striping pattern for all parts of your project, knit or crochet, from the front, to the back, to the sleeve. Nordica makes the project of the most novice crafter look like an expert and because it is made from 100% Anti-Pilling acrylic it will be Like New, Wash-After-Wash for years to come. Weight Category: Medium #4. Content: 100% Acrylic. Put up: 7oz/200g, 546yd/500m. Gauge: 19s=4in/10cm on size US7/4.5mm knitting needles. Suggested crochet hook size: US 7/4.5mm. Machine wash, tumble dry. Imported.