Triumph Women's Signature Sheer Wired Minimiser Bra - 32F - Ecru - Available at M&S

The Signature Sheer minimiser bra from Triumph reduces the look of your bust by up to one cup size. Its non-padded cups are underwired for good support, and crafted from double-layered mesh that's lightly textured for a feminine feel. The seam-free design combines excellent comfort with a sleek, no-show finish.