With a flexible, soft foam core, ProFlex 1505 Low-Profile Weight Lifters Back Support Brace provides support when you're lifting. At 6-1/2" high, the low-profile, tapered design allows superior mobility. Back support is made with nylon jersey body fabric and cam-buckle closure system that is easy to use. Rubber track webbing prevents riding up for a secure fit. Back support fits waists from 25" to 30".