Originally Posted by
Flip Flop Rider
more time in the saddle
slowly increase, maybe 10-15 extra minutes at a time..gradually increase, be in it for the long haul
This is the best answer IMO. No matter what saddle, or any of the other suggestions (which may still be good suggestions), it's getting your body used to the time in the saddle. The only way to do that is to train it.