The Flex Tek Smooth collection features moisture-wicking fabric with just the right amount of compression and comfortable, flatlock seams. Every style is designed just for dancers and provides uncompromised flexibility. Mock neck with auto-locking zipper in front; Power mesh at shoulders and cross back straps; Child sizes are fully lined in front; Adult sizes have a shelf bra and crotch liner; Imported; Fabric: Nylon/Spandex.