Shock PadWe love this shock pad because the durable material that will give your horse an extra layer of of protection under your saddle. This unique light weight Shock Pad is made with durable, 3 4" shock absorbent foam rubber which provides an excellent layer of protection. Convenient vent holes allow for the ventilation of steam and heat under the saddle. Measures 19 1 2" x 17 1 2" 3 4" shock absorbent foam rubber