http://www.underarmour.com/ua2/ua/gear.asp?dept%5Fid=4
Check this out. Unter armour will avoid the chaffing and keep you dry. I've used this stuff several years and havn't had to replace my origianls yet It is the most durable stuff on the market. I'm not a salesman I just am so impressed with the performance I stayed comfortable all day every day and that can mean the difference out in the field.