ThinLine Contour Saddle Pad thinline foam Made in US ThinLine: The only pad endorsed by spinal surgeons, vets and Master Saddlers. Provides maximum shock absorption without altering saddle fit or rider feel. Open cell technology creates 100% breathability & nonslip protection. Perfect for custom and well fitting saddles. Use over any saddle pad. Fits most 18+ saddles 22.25 spine length | 27 across shoulder | 15.5 across seat