<a href="http://www.mrporter.com/mens/Designers/Lanvin">Lanvin</a>'s refined sense of modernity is reflected in subtle details on this cotton-piqué polo shirt. The grandad collar is trimmed with contrasting smooth navy fabric, while the chest pocket has precisely executed raw-edged layers. It's all sharpened up with a neat slim fit. This contemporary take on the classic style will make a welcome addition to your smart-casual wardrobe.