C/D labeled for ladies 57 -510 barely long enough for me at 56 with stretch length-wise, I have long legs for my height and wears 23-24 regular length (00R or 0R) jeans, or XS in Capezio ballet tights or leggings. These fit me perfectly in waist and butt, not tight & not loose so I don't worry that they might wear down during the day. I just don't think these will fit someone taller than me with longer legs.