The ultimate in technology has finally revolutionized the equine industry with the CSI Flex Plate System: The flex plate has withstood the test of time and use. Because of the three overlapping layers of a very strong polycarbonate material (10,000 psi tensile strength), it simply will not allow any pressure points to radiate into the horse. The CSI Saddlepad system is designed with your horse’s comfort and performance in mind. The system works with all types of saddles including traditional treed saddles, flex panel and treeless saddles. At the heart of the system is the revolutionary CSI Flex-Plate.