Link sunglasses are made in Italy from the same factories as the makers of many high end designer sunglasses. Build quality is excellent and some models have excellent polarized lenses. Therefore for £15 or less you are getting a superbly made quality sunglass.
Link Polarized sunglasses are perfect for day to day wear or for extreme sports - on the slopes or on the water the glare reduction from the Polarized lenses is exceptional.