Focusing on fine fabrics and unique silhouettes, each <a href=" http://www.selfridges.com/GB/en/cat/co/" style="text-decoration: none"><font color="black"><b>Co</b></font></a> collection aims to redefine your wardrobe staples with a luxurious spin. Modernising your usual button-up while remaining polished, this cotton-poplin <b>shirt</b> is characterised by its dramatically flared hemline and sharply pointed collar. Tonal fastenings keep the look clean and understated.