DESC: So you're looking for shades with polarized lenses that won't scratch like mad and with a sporty-looking design. Grab Costa Del Mar's Riomar Polarized Sunglasses with Costa 400 Glass Lenses. The Riomar Sunglasses' sleek frame works well for medium to large faces, while the polarized glass lenses cut down on glare and scratches. Costa Del Mar uses a LightWAVE glass that is thin and lightweight compared to ordinary glass lenses, so the Riomar shades won't feel super heavy on your nose.Product FeaturesFrame: Hinge Type: Stainless steelLens: Glass Interchangeable Lens: NoPolarized: YesFace Size: Medium to largeCase Type: Nose Pads: YesArm Pads: Grippy material on ends of templesRecommended Use: Boating, playingManufacturer Warranty: Lifetime, 1 year for prescription