The Trident is one unique sunglass, not only with its styling but also in it's functions. This eyewear comes with a polarized smoked lens plus 2 additional lenses (clear & amber) in order to interchange them according to the weather and lighting conditions. The smoked lens also has a hydrophobic coating forcing water to bead up and roll off lenses. Frame Color: Black; Frame Finish: Matte; Frame RX Ready: Yes; Lens Material: Polycarbonate; Lens Upgrades: N/A; Lenses Interchangeable: Yes; Storage: Carry Case; Frame Convertible: Yes; Frame Foam Type: Removable Closed Cell Foam; Frame Material: Grilamid TR90; Frame Temples: Skull; Standards Met: CE EN-1836:2005/A1:2007; Frame Measurements: Temple to Temple: 130mm; Temple Length: 125mm; Frame Height: 45mm; Lens Coatings: Hydrophobic Lens coating on smoked lens only, 100% UV Protection; Lens Color: Polarized Smoked, Clear & Amber; Other included Accessories: Carry Case, Microfiber Cleaning Cloth, 3 Sets of Lenses (Polarized Smoked, Clear & Amber), Removable Closed Cell Foam, Adjustable Goggle Strap; Rx Limitation: +/-2.5 sph / +/- 2.0 cyl; Special Features: Polarized interchangeable.