Calvin Klein Women's Modern Cotton Bralette - XS - Black - Available at M&S
This stretchy cotton-blend bralette from Calvin Klein is a stylish and comfy choice. The pull-on racerback design is non-padded and non-wired for a natural feel, with a scoop neckline offering a flattering shape. An elasticated underband gives you total support, and is branded with the label's signature logo for a premium touch.