A famous New Zealand Fly Fishing Guide once said that they would "rather leave home without their flybox than their shades! A decent set of sunglasses provides valuable eye protection against wayward casts while polarisation reduces surface glare, pumps up contrast and allows us to see subsurface. So don't leave home without them! Our current favourite shades come from Costa Del Mar and at over two hundred pounds a pop they may make you wince a little. But the glass 580 lenses are second to none and all Costas are supplied with a lifetime warranty so in fact they represent a very good investment, especially for keen anglers who travel the globe.