Named for the great Kodiak bears of Alaska, these full-framed sunglasses are built with brute strength while delivering massive UV protection. Using innovative technology, Native Eyewear customized their modernly rugged Kodiak sunglasses for optimal performance during all your outdoor activities. By using biodegradable resin agriculturally derived from castor beans, Native sunglasses offer environmentally friendly construction that is resilient and durable. Resin from castor beans has a higher strength to weight ratio compared to synthetic materials while being lightweight.Native Eyewears use of sustainable, earth-friendly materials brings you back to the purity of nature while intuitive features keep your eyes protected from the elements. Key Features Interchangeable lens technology to accommodate varying light conditions N3 polarized lenses for excellent protection against damaging UV rays SportFlex Lens Kit offers 65% visible light transmittance (VLT) for better visibility in low light situations Co-Injected Rhyno-Tuff Air frames offer lightweight yet sturdy construction Hybrid venting prevents fogging and condensation on lenses Cushinol offers non-slip grip in all the right places Made of sustainable, eco-friendly materials Optic gear kit includes a hardcase and a soft case that doubles as a cleaning cloth Mastoid Temple Grip hugs behind ear Medium fit frames are comfortable and best for medium/large profiles All Native sunglasses are backed by a lifetime warranty Interchangeable Lens Design The Kodiak comes with two sets of lenses allowing you to quickly change lenses in different lighting conditions. Interchangeable lenses are also designed to prevent the lenses from shooting back toward your eye during accidental impact. Both sets of lenses come standard with protective coatings for scratch resistance. N3 Polarized Lens Technology N3 polarized lenses block up to 4x more infrared light than regular polarized lenses. As Natives most innovative and advanced polarized lens, the N3 provides UV protection up to 400nm and significantly reduce blue light while selectively