Premium back brace features double-layer design, allowing for custom fit and adjustable compression to abdomen and lower back. Removable lumbar pad fits over sacral joint to help maintain the natural curve of lower back. Four flexible steel springs positioned along spine offer additional support. Internal side components help prevent brace rolling and bunching. Non-stretch panels exert pressure when straps are stretched for fastening. Tapered posterior edge fits around hip bones promoting even distribution. Now available in 2 sizes.