Cairn Sunglasses Power 153 Matte Shadow Lemon Grey Photochromic. Introducing the Cairn CA Power sunglasses, designed for sports enthusiasts who demand high performance. These sunglasses feature ventilated panoramic lenses for excellent airflow and clear vision, even during intense activity. The ultra-lightweight wraparound frame ensures a secure and comfortable fit, while adjustable nose pads and Grip Touch Control, a rubber coating on the inside of the temples and nose, prevent the glasses from slipping off during effort. Supplied with two sets of lenses, including a clear lens for overcast conditions, these unisex sunglasses are available online at a big discount from the recommended retail price (RRP), offering both versatility and value.