Gr&ouml;do (Groedo) 75% Organic Wool 25% Organic Cotton Baby Infant Socks (1 Pair) Made in Germany Machine washable 85 F degrees (30 C degrees). 75% virgin wool (the wool one gets from shearing a lamb for the first time), 25% organic cotton. Certified by GOTS (Global Organic Textile Standard). Made in Germany. Size 3-6 months, for height 56-62 cm (22-24 inches). Size 6-9 months for height 68-74 cm (27-29 inches). Size 9-12 months for height 80-86 cm (31-33 inches).