Core Classic Bra Only 27 Organic Basics Women's Endurance Bra Grey On United States Kith Women for On Core Bra Black On Core Bra Women's REI Co op Women's Core Bra Blue On United States. Recycled polyamide blend Stabilized straps and elastic underband for added support Hidden spacer lining Bonded finishes at the neckline and armholes Power mesh for stability Reflective K Tech and On co branded detailing Racerback silhouette See garment tag for care instructions Style: on1wg12120553 Color: Black Material: Recycled Polyamide Elastane