Spine- Contoured Shape runs the full length of the pad and wraps completely around the cut out to reduce stress on the pad and provide long lasting leather reinforcement of the pad. 100% real wool felt, the ultimate for long lasting durability. One piece of continuous felt that reduces stretching and pulling on the pad to keep it from tearing at the seam. The contoured shape allows for a snug fit with the saddle and the curves of your horse's back. Finished wi h high quality oil tan wear leathers. Shock absorbing Gel Inserts run the full length of the pad to reduce stress on the pressure points vaused by movement of the saddle and rider. Orthopedic Felt- the purest wool felt available. Pulls heat and moisture away from the horses back. Provides an extra layare of shock absoprtion while keeping its shape and consistency.