Zeal Unisex Eclipse: Snow Goggles Polycarbonate Made in USA or Imported If there's one word for the Zeal Optics&trade; Eclipse goggles, it's performance. Function and durability aren't compromised here. Discover what an awesome riding experience is all about! Optimum&trade; Lens Features:Optimum Clear plus Bluebird Mirror: These lenses provide the highest level of light transmission, allowing for safe riding in the worst visibility. The blue flash mirror helps to keep your eyes comfortable by cutting low level glare off the snow.Optimum Metal: These lenses keep you protected on bright, sunny days and offer great contrast when the sun disappears. The metal mirror helps reduce glare off the snow and keeps your eyes comfortable. Anti-Fog infused lens process virtually eliminates fogging. Impact Resistant Frame technology for protection even on the bumpiest of rides. 100% UV protection. Dual strap adjustments for a perfect fit. Fits easily with a helmet. Custom storage bag included. Measurements: Frame Width: 167 mm Lens Height: 86 mm Weight: 5.54 oz Lens Width: 84 mm Bridge: 20 mm This product may have a manufacturer's warranty. Please visit the manufacturer's website or contact us at warranty@support.zappos.com for full manufacturer warranty details.