Bolle Sonar Sunglasses (TNS, Shiny Black) Frame Color: hiny Black Lens Color: TNS Size: Medium Bolle Sonar Lifestyle Sports Sunglasses/Eyewear for Women The temple tips, nose pads and adjustable nosepiece are all made from our proprietary Thermogrip. This hydrophilic material has moistureabsorbing properties that keep the frames comfortably in place, even during extreme exertion