XSmall fits waist circum. 23.5 -27.25 * Thermal support for prevention treatment & rehabilitation of the back * The APD Rigid Lumbar support effectively reduces pain by restricting motion while stabilizing the spine * The rigid anterior and posterior panels provide critical support and compression for the back and abdomen * The posterior panel is inserted into a pocket and extends from the sacrococygeal to the T9 vertebra to provide total contact over the Para spinal muscles * Helps maintain correct posture and stabilizes the spine * The rigid anterior and posterior panels effectively control extension and flexion * The exceptional support compression and heat therapy provided by the APD Rigid Lumbar Support helps to reduce or relieve lower back pain * Helps maintain correct posture and stabilizes the spine * HCPCS Suggested Code: L0627