Has anyone tried the knitpicks cotton or cotton blend yarns?

I saw KP has the cotton linen blend that looked quite nice… also they had a pure cotton… Does anyone have any info on these KP yarns? Do you like them not like them? Do they wash and wear well… :shrug:

And most important of all ;ARE THEY COOL WHEN YOU WEAR THEM? b/c it’s about to get HOT down here REAlly soon~!! :-x