Copper Fit Back Pro Lower Spine Pain Relief Belt Lumbar WAIST SIZE 39""- 50""Adjustable compression straps for perfect form-fitting compressionProvides lower back support for greater mobility and comfortContoured， lightweight design fits discreetly under clothesCopper-infused moisture-wicking fabric absorbs sweat and odors from an active lifestyle or work environmentAdjustable Velcro ClosureCushion， Compresses & Supports lower backBreathable Fabric for all day wearOdor Reducing Copper Infused Materia