Using state-of-the-art Polypropylene/Welltex infusion, the Back on Track Saddle Pad can help keep back muscles loose and supple. Back On Tracks Welltex technology is a therapeutic fabric which can help increase the micro-circulation of the blood and oxygen delivery when worn against the skin. When a Welltex product is used, the energy produced by the body is absorbed by the ceramic minerals in the fabrics thread and translated back to the body as Far Infrared energy waves. Infused with Welltex technology Helps promote supple muscles Increases blood circulation and oxygen delivery to the muscles Can contribute to decreased inflammation 78.75 cm spine x 40.65 cm drop