Lumbar belt thermal slim waist trainer lower back support brace Product nameBack waist lumbar supportMaterialNeoprene, breathable mesh cloth, nylon self-gripping fastenerColorOrange ,pink ,blue ,green ,black or customized colorFunctionsLumbar back waist support brace for exercise and sweatingFeaturesFashionable style, breat S - 65-76 cm M - 76-89 cm L - 89-104 cm XL - 104-117 cm XXL - 117-129 cm XXXL - 129-142 cm