Suzanne, thanks. I noticed the ones on Travelsmith are cotton, and about $70 (I'll probably never wear them again). I'm only having to buy pants because my SIL is about 3 inches shorter than I, and I look like I am wearing puddle wadders in hers, as she shortened them. All my other safari day clothes are hers, so I was lucky! Think I'll try to find what Columbia has in a lighter weight fabric.