Pima cotton is extra long fiber, which gives it superior qualities. Here's a long site about it:
http://www.supimacotton.org/history/

Kona is one of the Hawaiian islands. It has a highly regarded coffee, mentioned by Mark Twain.
I suppose it also produces a superior cotton. I'll go look for that.

Many sites about Kona cotton:
Kona Cotton : A quilter's dream fabric, also good for soft children's clothing, comfy shirts and
dresses. ...