Gr&ouml;do (Groedo) 100% Organic Merino Wool Baby Infant Tights Made in Germany 100% Made in Germany 100% Organic Fine Merino Wool Certified by GOTS (Global Organic textile Standard) Thin, warm, and soft. Size newborn, for height 50 cm (20 inches). 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).