The Wintec Pro Endurance Saddle is a cutting edge, lightweight endurance saddle that includes top performance features such as: Revolutionary FlexiContourbloc, which offers customized support and exceptional stability Adjustable Ergonomic Stirrup Bar to facilitate a well-balanced position Performance materials to ensure a superior fit, comfort, and stability Girthing System Fluidly working with your horse's muscles, the revolutionary CAIR Cushion System replaces traditional fillings in your saddle with air. The cushioning nature of air encourages your horse to soften, relax and engage. Seated closer to your horse, you become simply an extension of one another Easy-Change Gullet Fit Solution