The Harmony Halter Sports Bra has a hook and eye back closure that allows a customizable fit. We have even included a spare extender for additional sizing options. This cross-front sports bra has a keyhole halter design with adjustable criss-cross straps. This bra is made with our signature NuBre fabric for a soft, second skin feel with high stretch retention. Keyhole front design Criss-cross back, adjustable straps Hook and eye customizable back closure Spare bra extender Removable bust pads Fabric: NuBre (Nylon/Spandex) Medium Support Level