I don't have a KA tank, but I have three hand sewn kilts in 16oz, 16oz, and 13oz from Kathy Lare, Celtic Craft Centre, and Alexis Malcolm, respectively. I'm very happy w/ my 16oz kilts year round here in Colorado, but I doubt I'd have more than one of them if I lived in a warmer clime or somewhere with high humidity. That being said, the 13oz is noticeably cooler and less abrasive on the skin (Welsh tartans appear to be softer than Scottish), but doesn't have quite the "swing" of the heavier material. Now I'm growing curious about a 16oz, 4 yard kilt from Matt.

Bryan...your mileage may vary...