Looking for support, pressure relief, comfort, breathability, and the ability to shim all in one perfect pad? Look no further! ThinLine is the only saddle pad endorsed by spinal surgeons, veterinarians, master saddlers, and riders like you. With ThinLine, you'll have close contact with the horse for better communication AND the ultimate impact protection. – 26.5″ (spine length) – 20 inch drop to bottom of rigging panel – A full 23″ of ThinLine along either side of spine – ThinLine guard at the point of drop rigging/girth or cinch to protect against pressures and rubs. – 13.75″ rear drop – 4.8 mm thick (3/16″) ThinLine panel on either side of the spine for protection.