“and i think my fancy wool socks are overkill for hiking in”

Yes. For warm, humid hiking, wool burns up your feet. That’s one of the ingredients for blisters.

“but while at walmart the other day, i wasn't sure what choice of sock would be the best.”

I don’t know if your walmart carries them but Dickey’s makes an excellent dark non-cotton sock. They have 2 types. I bought both. And they both work very well at wicking sweat, keeping the feet cool, and are excellent for stream crossings.

I speak with a caveat. I’m a teva sandal hiker.

May everyone find their foot zen.
-Barry