Tapered in front to fit a woman's body, this lumbosacral support helps relieve back pain and discomfort. All-around support and flexible back boning provide stability. An 8" deep back panel covers the lower back for maximum therapeutic benefit with room for 2 optional semi-rigid metal stays. Lightweight elastic with adjustable hook-and-loop closure. Measure around widest part of hips: Medium (33"-36"), Large (37"-40"), XL (41"-44").