Patagonia has a sale on baselayers running through tomorrow.
It's 20% off just about all of them.
In my opinion, Patagonia performance clothing is the best there is. Make sure you check their sizing chart for your measurements, though, because you'll see that most Patagonia clothes are a size or half-size smaller than normal clothes with the same size label.
www.patagonia.com/web/us/home/index.jsp?...ME_PAGE&assetid=1704