Cosyfeet Extra Roomy Softhold Hold-up Stockings 30 Denier NST: Our hold-ups benefit from our exclusive Softhold top which gently holds the hosiery in place without leaving unsightly red marks or restricting circulation. . 30 Denier NST; Softhold top for comfort fit; 30 denier; Extra Roomy; 96% Nylon, 4% Lycra. Size details: One size fits all shoe sizes. In Chiffon, Mink, Natural. 2 Pair pack. For further information please contact your local shop or call 01908 644133. We look forward to hearing from you.