Neoprene double pull belt to support lower back & lumbar Velco fasteners for adjusting Non-stretch fabric across the back panel for extra support Designed to help flexibility Designed to bring comfort & improve flexibility to the lower back, this support is made from neoprene & designed for use under clothing. A non-stretch fabric panel across the lower back gives extra bolstering while velco fasteners means the brace can be adjusted to the desired level of support required.