Weatherbeeta Memory Foam Shimmable Half Pad are soft and breathable anti-slip pad for extra protection of withers and back. Shock absorbing half pad to distribute pressure evenly. Includes 8 shims to adjust saddle fit, with 4 openings, 2 on each side to allow up to 4 in the front and 4 in the back. Suede top and fleece lined underneath with memory foam inner and memory foam shims.