The BioSkin Back Support is a comfortable, low-profile brace that delivers effective relief for lower back pain without medication or bulky designs. Its supportive oval pad targets the sorest area, while flexible side stays provide posture support and stability. Lightweight and breathable, the brace moves with your body, allowing you to sit, walk, or go about your day without restriction. The Velcro attachment enables customizable compression by positioning the oval lumbar pad where you need it most, and the slim design makes it easy to wear under clothing for all-day support and comfort. Size Medium = waist circumference of 76-86cm.