Flusi the Sock Monster Yarn - Flusi yarn has a much shorter pattern effect making it suitable for kids socks. The shades are bold and bright to cheer up anyday. Not just for kids socks, 2 x 50g balls will make an adult size pair of socks and 500g will make a sweater. 75% New Wool and 25% Polyamide. 50g ball approx 210m. 4 Ply Thickness. Machine wash on wool cycle 40°C- minimum machine action. Knitted on 2-3mm needles.