go for a bear kilt!!!
I had mine on the other day, it was 30oC and humid (86oF) here in Ontario on Canada day , july 1st.
went for a hike in the woods with the dog. it was very cool. I don't like to wear a kilt in the summer coz it's too darn hot here. but now I got my 4 yard nova scotia kilt from bear, I don't mind it.
plus you can not beat the price.less than 50 pounds
don't let the price fool ya, this is a propper kilt.
also this guys customer service is excellent.
http://www.bearkilts.com