The Zeal Optics® Big Timber responds to changing light conditions so you’re ready ready for anything. Rectangular shape offers medium coverage. Z-Resin, plant-based frame is made from natural oils to provide a sustainable alternative to frames made with crude oil. Proflex® rubber is injected into each frame to provide a secure hold and withstand extreme hot and cold temperatures. Single-bridge design. Zeal Auto photochromatic lens adjusts automatically to changing light conditions. Polarized lens treatment reduces glare for added eye protection. 100% UV protection. 15-28% VLT range. Case included. Imported. Measurements: Temple Length: 140 1⁄3 mm Frame Width: 138 1⁄8 mm Lens Height: 42 1⁄7 mm Weight: 1.2 oz Lens Width: 59 3⁄4 mm Bridge: 18 9⁄10 mm This product may have a manufacturer’s warranty. Please visit the manufacturer’s website or contact us at [email protected] for full manufacturer warranty details.