Composed of 30% Extrafine Baby Alpaca, 30% Peruvian Highland Wool, 25% Polyamide, and 15% Organic Silk, and has a gauge equalling 23-26 stitches per 4 inches on US 3-5 / 3.25-3.75 mm needles. Fantastic for soft luxurious shawls & light weight sweaters!