Supports along the spine to provide stability for those suffering from lower back pain Criss-cross heavy duty elasticated double pull mechanism for adjustable compression Non-stretch fabric across the back panel which is designed to provide extra support for the lower back. By keeping the lower back in an upright or extended position, it reduces the strain placed on the pain producing structures of the lower back such as muscles, ligaments, discs and nerve roots. This support provides warmth, support, flexibility and compression to the lower back.