I never could find one that I really liked either so I just made one up!
They are just basically a tube with either a thumb gusset or a hole
for your thumb to go through. If there is a particular stitch pattern
you like you could just try designing your own
Here is a pic of theones I came up with:
I just did some ribbing then started the cable pattern and worked it
until it was about where I wanted it and added the thumb gusset then finished off the cable pattern and did a bit more ribbing at the
end. Easy! It is worked in the round using 2 circulars. They are fairly
easy to just make up your own pattern as you go.