Transcend Scoop Built In Bra Tank A C Athleta Beam Bra Tank in Marine Photos Pin on Tank Renew Built In Bra Tank D DD Athleta. Lightweight, supportive, and effortlessly stylish the Beam Bra Tank is designed to shine in every workout. With its sleek silhouette, soft performance fabric, and bold contrast trim, this tank delivers the perfect blend of comfort and confidence. Whether you're lifting, stretching, or flowing through your day, the Beam Bra Tank moves with you while keeping you supported and looking polished.