B.ella Doris Crochet Trouser Sock - Plus size trouser socks, tights, etc. in fun & unique patterns @ Sock Dreams. Most styles their staff have measured for calf circumference. Most comfortable, non-binding socks I've ever worn.
Paris Trouser Socks - Classic fleur-de-lis design in an uber-sexy net knee high. Nylon spandex blend stretches to fit all your curves beautifully, even the narrow one above your heel. Solid wide cuffs keep them up in comfort and style.