Jobst, Mild Compression Knee-Highs Original Black Medium, 1 EachProduct Description For tired, aching legs and light swelling. Shoe size: large (8 10 1 2). Product Benefits Ingredients Nylon 84%; Elasthan Spandex 16% Suggestions Order by shoe size. USA: 4 5 = S; 5 1 2 7 1 2 = M; 8 10 1 2 = L. UK: 1 1 2 2 1 2 = S; 3 5 = M; 5 1 2 7 1 2 = L. EU: 34 35 = S; 36 38 = M; 39 41 = L. Special Note Warnings Disclaimer Herbspro. com offers nationally branded products that are produced according to manufacturing standards set