Total Saddle Fit StretchTec Shoulder Relief Girth Shoulder freedom from saddle tree with cutback design. Triangular center elastic allows girth to stretch in proportion to horse's chest while breathing (patent pending). Stretches in an anatomically friendly way to contour to a horses barrel and provide even contact through the sternum area. Interchangeable leather or neoprene liners (covers) for easier cleaning and so one girth can be used for multiple needs. Intelligent looped billet keepers which remain low profile and are virtually indestructible.