Native Sunglasses - Bolder / Frame: Iron Lens: Gray - Native Eyewear Sunglasses, style Bolder is a rugged & sporty thermoplastic wrap frame. The Bolder features patented Cushinol nose pads and temples which prevent slippage. Built-in vents eliminate fogging and blocks extraneous light. The interchangeable lens system allows you to adjust to any light condition. The temples feature the Native Eyewear logo. Native Sunglasses have scratch/impact resistant polarized crystal carbonate lenses that provide 100% UV protection & superb optical clarity.