A sleek casual outfit starts with understated separates – add a dash of luxury to yours and it goes a long way. This is where <a href="http://www.selfridges.com/GB/en/cat/hugo-boss/mens/" style="text-decoration: none"><font color="black"><b>Hugo Boss</b></font></a> comes in – best known for its sharply tailored suits, the German brand has mastered the art of precisely cut casualwear. Pushing the parameters of "downtime dressing", this cotton-jersey <b>polo shirt</b> is an off-duty design that&#39;s bolstered by the sporty influence of contrasting trims.