With a flat top line reminiscent of the mesas for which they're named, Native Eyewear Mesa XD9036 Polarized Sunglasses are a great companion on your search for higher ground. Angled frames sport polarized lenses for glare reduction, UV protection, superior contrast, and impact resistance. These ophthalmic-grade polycarbonate lenses deliver 100% UV protection, block more than 90% of potentially harmful blue light, and are finished with oleophobic and hydrophobic coatings that resist water, dust, dirt, oil, and fingerprints while preserving the appearance of the lenses against wear and tear. Select styles have mirror coatings to help reduce glare even further. The bio-based frames on these Native sunglasses are made from eco-friendly material that is extremely lightweight, yet durable. Cam action hinges lock into place. Cushinol nose pads and temple tips ensure a secure, comfortable fit, working in tandem with the Mastoid Temple Grip design to hug the area behind your ears and keep the sunglasses right where you need them. Native sunglasses embody confidence and encourage you to explore; all they ask is to go along for the ride. All Native Eyewear sunglasses come with a microbag and are backed by a mfrs. lifetime limited warranty.Manufacturer style #: XD9036. Polarized lenses with 99% polarization efficiency to combat intense glare Ophthalmic-grade polycarbonate lenses deliver 100% UV protection, block harmful blue light Oleophobic and hydrophobic coatings resist water, dust, dirt, oil, and fingerprints Select styles have mirror coatings to help reduce glare even further Eco-friendly bio-based frames with cam action hinges that lock into place Cushinol nose pads and temple tips for a secure, comfortable fit