For those who prefer a heavier feel in a back support. – Primary belt width: 9 inches. – Knit elastic primary belt and cinch straps. – Detachable knit elastic shoulder straps. – Spring steel boning stays. – Number of stays increases with size. – Stays are dielectric coated (non-conductive). – Triple lock closure on cinch strap. – Rubberized interior stay pockets. – Security tacks at all stress points. – Machine washable. – Sizes XS – XXL.