Size: L/XL The Stabilizing Back Support provides cozy support to your back while still allowing you full range of movement. The curved design helps minimize slipping and bunching. Eight stays give additional support to the back. Mesh panels allow for the release of excess heat and moisture. Dual adjustment straps ensure you achieve customized support for the most comfort fit. S/m fits belly of 28-35 inches, L/XL fits 35-43 inches and XXL fits 43-53 inches . Permits full range of movement while providing comfortable support Dual adjustment straps provide customized fit and compression Stays provide additional lumbar support Mesh panels release excess heat and moisture Designed for proper fit to minimize slipping and bunching