Contoured Western Ranch Fleece Lined saddle pad with ThinLine foam sewn onto the panels. An open pocket is included allowing you to place saddle-fitting shims if need be. ThinLine is a thin, shock-absorbing non-slip breathable foam endorsed by surgeons, master saddlers, riders, and veterinarians for its shock-absorbtion, comfort, ventilation, and stability. Comes in 30" x 30" and 32" x 32" variations