Gr&ouml;do (Groedo) Organic Cotton Baby Children Tights Made in Germany Grdo 98% organic cotton, 2% elasthane Certified by GOTS (global organic textile standard) Made in Germany Size 12 months, for height 86 cm (34 inches). Size 1-2 years for height 92-98 cm (36-38.5 inches). Size 3-4 years for height 104-110 cm (41-43 inches). Size 5-6 years for height 116-122 cm (46-48 inch). Size 7-8 years for height 128-134 cm (50-53 inch). Size 9-10 years for height 140-146 cm (55-57 inch).