Feature●8" knit. 10.40 oz., 100% acrylic knit●Heather Grey is 62/38 acrylic/ polyester●Heather Charcoal is 80/20 polyester/ acrylic●Other Heather colors are 50/50 acrylic/ polyesterDescription 8" knit. 10.40 oz., 100% acrylic knit. Heather Grey is 62/38 acrylic/ polyester. Heather Charcoal is 80/20 polyester/ acrylic. Other Heather colors are 50/50 acrylic/ polyester.