The Ultimate modification for long distance riding developed exclusively for spending all day in the saddle and wanting more. The original foam is reshaped to disperse the rider's weight more evenly over the sitting area. The first layer of foam is added and shaped to improve comfort, the second layer is installed and shaped then the final layer of foam is added and shaped then the seat is covered with a thin layer of foam, a waterproof plastic sheeting is then placed on the seat and cover re-installed. This modification has been used for the lower 48 plus Alaska ride in 10 days with the rider logging 900 miles a day, it is definitely for the serious all day in the saddle rider.