This is certainly contrary to my experience and that of everyone I know and everything I've read. Cotton doesn't wick moisture away from the skin; it soaks it up and retains it.

This may not be importand to people who don't sweat much. For me, on those couple of occasions when I've had to wear a cotton t-shirt for the commute, I brought a spare -- because the one from the morning would still be soaking wet 8 hours later.

My cycling jerseys are mostly still dry when I arrive at work under the same conditions, because the sweat was wicked away from the skin to the outside where it was able to evaporate.

I will never willingly wear cotton when cycling. The very thought of getting sweat-soaked on a cool day and then having to keep the shirt on makes me shiver.

RichC