Gr&ouml;do (Groedo) 100% Organic Merino Wool Baby Infant Socks (3 Pack) Imported from Germany Imported from Germany 100% Organic Fine Merino Wool. Hand Wash. Certified by GOTS (Global Organic Textile Standard) Thin, warm, and soft. 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). Size 12-18 months for height 86 cm (33 inches).