This sock is satisfactory.  It fits an average leg, although it's slightly difficult to pull on and stays up only moderately well.  For socks that fit the best and never slide down, try the Hue Argyle Knee Socks.
<a data-hook="product-link-linked" class="a-link-normal" href="/Hue-Women-s-Cotton-Cable-Knee-Socks/dp/B000U8DZ0Y/ref=cm_cr_arp_d_rvw_txt?ie=UTF8">Hue Women's Cotton Cable Knee Socks</a>