Neoprene back support Extra large 95.5 – 108.5 cm , Neoprene Supports , Protection , Warmth , Performance , Support , Rehabilitation , Top quality sports grade supports made in 3mm neoprene for maximum performance and durability. , Ideal for sport activities and everyday use. , Closed cell neoprene rubber provides warmth and support to encourage recovery and to help prevent injury to joints and muscles. Blood circulation is improved which assists the natural healing process.