Prolite Rear Riser Fixed in Black. The Prolite Rear Riser is used for a permanent alteration of the saddle fit and balance. The Rear Riser Half Pad raises the back of the saddle and offers a graduating depth of Prolite padding for a seamless surface against the skin. The Rear Riser Fixed Pad is ideal for conformation problems such as a dippy back. The Prolite Rear Riser Fixed Pad is perforated to allow for maximum airflow. Machine washable. The Prolite range offers 3 in 1 protection for your horse: 1. Read more… Prolite absorbs impact from rider movement. 2. Prolite disperses pressure points over a wider area. 3. Prolite absorbs lateral movement and remains still against the skin.