Quanquer back brace provides ultimate support to your lower back, abdomen and hip area to help provide relief of lower back pain. It helps to form correct posture and avoid back injures while working or lifting heavy loads, relieving stress on the lower back. Stabilizing Lumbar Lower Back Brace for Chronic back pain, Lower back stiffness, Overall lower back discomfort. It features 4 metal bars support the psoas muscle in the waist to relieve strain and soreness.Designed to allow natural movement while providing comfortable support. Help you perform your daily activities. Measure at the Belly Button. Unisex - Sizes 28" to 53".