Our heavy knit for adults. Organic cotton in this product was grown without any toxic pesticides or synthetic fertilizers and dyeing produced at the organic dyehouse. The result is this naturally soft and enveloping feeling you have when wearing these socks. Like all our models they contain no synthetic component hence eliminate all possible causes of allergy and irritation. COMPOSITION - 100% organically dyed cotton WASH - Ideally should be hand washed - Could be machine washed at 30° with similar colors - Do not tumble dry or bleach - Hang to dry