Regia - Flusi the Sock Monster! It’s new sock yarn from Regia available in children’s favorite shades with extra soft effect for quick color repetition in small socks. Pair of kid’s socks takes 1 skein, for grownups - 2 skeins. Regia yarn is noted for its durability and shape rentention. Machine washable up to 40° C (100° F) and can be tumble dried. Will not felt. With a 10-year Regia guarantee.