Synergy Contoured Steam Pressed 100% Merino Wool Felt Performance Saddle Pad/ NaturalLeather contoured spine provides an anatomically correct fit for your horses back and keeps the center of the saddle pad lifted into the saddle gullet for increased airflow High quality, abrasion resistant F1 rated 100% merino wool felt wicks 8x its weight in moisture, removing heat and sweat to cool your horse F1 pure merino wool felt features 21 PSI compression rating to protect against pressure points and a 500 PSI tensile strength for the ultimate