The prAna Foundation Scoop Neck Tank for women has the classic style you want with the sustainability we all need.prAna used their bestselling Foundation fabric, a blend of 95% TENCEL Modal sustainable forest fibers and a bit of spandex for extra stretch- and that means you can style it all sorts of ways. Leave it loose, tie a front knot, or leave it French tucked for a casually chic look. The buttery-soft,luxuriousfabric is a game changer.