To help wearers, many supports feature compression straps, support stays, hinges or velcro closures The range is extremely comprehensive covering virtually every muscle and joint in the body. What's more, by using extensive customer research we know customers benefit more from supports that are sized to fit them. Back Brace Support provides significant levels of lumbar support for those recovering from a severe episode of back and/or leg pain. The additional stays and compression strap help to limit unwanted twisting and bending movements to allow recovery without strain. Ideal for those with occupations which involve heavy lifting and carrying. Sizing (measured in cm):S: 70-80 M: 80-90 L: 90-100 XL: 100-110