These high quality Half Pads are 100% natural Australian Merino lambskin – the wool is much denser & softer than the older sheep wool used in many rival numnahs. The unique combination Of luxurious lambskin half pad with the flexibilty to create a front or rear riser, using closed cell foam inserts under the wool for extra shock absorption. Adjusts to changing body shape or different saddles. Swan neck and clear spine relievs pressure, allows air flow and improves fit. They can be used on top of a thin cotton square or straight onto the horses back.Set of 4 12mm pads included.