New in bag white large This is a base layer with superpowers, designed to help your lower back and hips finally find relief! Our Lower Back Support Tank Top features built-in Power Mesh support panels, for flexible lower back support that never feels bulky or uncomfortable. Made with proprietary 4D stretch compression fabric, this ultra-comfortable tank top provides a slimming and flattering fit when worn under outer layers. It’s never been easier to look and feel your best all day!