So, here is an updated pattern with a second size. The original sock was 60 stitches with a finished circumference of 7.5” intended to fit a foot with an 8.5” circumference.
The additional size is 68 stitches with a finished circumference of 8.5” intended to fit a foot of 9.5” circumference.
The pattern includes directions for adjusting the length of the sock as well.