Copper Fit Unisex Comfort Back Advanced Pro Back Belt Compression Brace, Small/Medium 4 Built-in stabilizing supports designed to help reduce lower back stress & strain and improve posture. High-performance fabric is lightweight and breathable to allow for full range of motion and to wear underneath clothing Make sure to order the right size - measure your waist size: 28"-39" S/M Brace measurements: 41" length 6.75" width Gently used - good condition MSRP$25 Tags: Copper Fit back brace compression belt adjustable ergonomic