Polarized lenses with mirror coatings kill reflected glare and reduce eyestrain, and 100% UV protection blocks harmful rays. Hydrolite™ nose pads and co-molded temples keep eyewear firmly in place through sweat and moisture. Costa Del Mar Reefton sunglasses have a large frame for plenty of coverage and a comfortable fit while you explore new waters. 8 base curvature. Includes hard storage case and cleaning cloth. Scratch-resistant LightWAVE glass lenses offer the greatest clarity Polarized tech and mirror coatings control glare 100% UV light blockage for max protection TR-90 bio-based resin frames Cam action optical spring hinges Co-molded temples help keep eyewear in place Hydrolite nose pads