Thanks for your suggestions. I do notice it regardless of whether my jersey is brand new or old, or even if I'm wearing just a jog bra or tank, so I don't think its the fabric - it's coming right from my own pores!

I have a workout "date" with a girlfriend tomorrow. maybe i'll ask her if she notices it on me. ("Hey, Laurie. Will you smell my pits?!" )

Could very well be hormonal. I'm starting to experience some menopausal symptoms. I've got my yearly in 2 weeks (my gyno is one of my Spin students!) and I'll see if he's ever heard of this around menopause. (...and I'll ask him why he hasn't been in class in a month! Better not be because the instructor smells! LOL!)

Never tried the crystal deodorant. Maybe I'll pick some up. :-)

Thanks!