These socks are made from 96% high grade combed cotton, 3% Polyester & 1% spandex Sock Size (one size fits most) US 7-9 / UK 5-7 / EU 35-39 Please note: Details & colours of the images might be slightly different from the actual product. CARE INSTRUCTIONS: Hand wash when you can, or use a delicate/wool washing machine program Cold wash Dry far from heat & direct sunlight Organic Cotton Socks, Natural Colour Socks, Unbleached Socks, Undyed