Designed in Tasmania by Jennifer Cossins and Tracy Colhoun. Made from 80% Bamboo, 18% Polyester and 2% Elastine. Care Instructions: Warm wash do not tumble dry, iron or bleach. Size Guide X-Large (44-48) EU Size : 44-48 AU/US Shoe Size : 11-14 UK Shoe Size : 9-12 Large (40-44) EU Size : 40-44 AU/US Shoe Size : 7-11 UK Shoe Size : 6-9 Medium (36-40) EU Size : 36-40 AU/US Shoe Size : 5-9 UK Shoe Size : 3-6 Child (7-10 yrs) Ages 7-10 years Small Child (3-6 yrs)