Product Description: These Clifden sunglasses from Oakley are crafted in a lightweight, durable plastic that&';s designed to stand up to the elements and last through repeated wearings. The rounded edges soften the profile for an approachable look. A keyhole at the upper rim allows you to change outfits quickly by leaving on these shades after your outdoor adventure or rounds of golf. O-Matter plastic is strong yet flexible, so these shades stay comfortable even when they&';re left on for extended periods of time. Features: Glacier glasses built for involved mountaineering missions Prizm lenses boost colors and contrast for crispy optics. Lens polarization limits glare to eliminate fatigue Side shields and bridge blocker help keep your eyes covered Coated steel leash keeps these glasses nearby and your hands-free