TE also carries pants which are similar to the REI pants I mentioned above, to wear over your shorts:

Sugoi Latte Pant
http://www.teamestrogen.com/products.asp?pID=15776

HIND Light Stretch Munich Pant
http://www.teamestrogen.com/products.asp?pID=19115

HIND Classic Munich Pant
http://www.teamestrogen.com/products.asp?pID=22008

SportHill 2005 Voyage Pant - Save 25%!
http://www.teamestrogen.com/products.asp?pID=15230