9″ wide, elastic front panels, and 4″ wide tension straps combine with neoprene-lined posterior insert pocket. Belt accommodates a moldable PVC insert, or warm or cold gel pack. Tension straps extend and close over the abdomen to provide abdominal support. Belt and straps close with hook and loop. Specify size (hip circumference): SM 30″-32″, MD 34″-36″, LG 37″-39″, XL 40″-42″, 2X 43″-46″.