50% superwash wool, 25% Soysilk@, 22.5% cotton, and 2.5% Chitin (from recycled prawn and crabshells). 100gms/425m. One ball makes an average-sized pair of women's socks. Excellent 4ply/fingering weight yarn, especially suitable for baby's garments, shawls, and of course, socks. FREE sock pattern with the purchase of 1 ball of Tofutsies.