I am an Old Dog learning new tricks. I started riding a few months ago and started with 3 - 5 miles on my Trek Comfort bike wearing street clothes and tennis shoes. I have upgraded to better pedals and 1.25" road tires, mountain bike shoes and a mix of mountain bike and road shorts. I am now riding 25 - 30 miles and looking forward to longer rides.

Now for the problem - I can hardly walk after a long ride. I am seriously chafed and it becomes painful to ride two days in a row.

What is the standard for men's wear? What, if anything, do you wear under your shorts? Does powder before you start reduce the chafing? Is this caused by my clothing or my saddle?