Core Features Blending high end style with functional alpine gear. Part of Sunski's Alpine collection, The Ferrata features the award winning sun shield system you know and love with the extra sun protection of a removable centre piece. Both include perforations to allow cooling and air flow. Polarized Helio Lenses Removable Magnetic Center Piece and Sun Shields Premium Ultralight Frames Hard Case Included All-Day Comfortable Fit Lifetime Warranty Design & Fit The Ferrata Is a large Square frame, minted towards guys and gals with larger heads, or those who just love a large pair of shades. Combined with lightweight metal frames, spend long, bright days in the backcountry without sacrificing your comfort. Weight: 36.9 gramsWrap & Angle: High Temple Width: 147 mmBridge Width: 20.2 mmLens Width: 53.6 mm Lens Specs With Helio polycarbonate lenses, all Ferratas are polarized, block 100% UVA/UVB/UV400 wavelengths and pass the FDA basic impact test. Eye Coverage: High Silver: Mirror, Grey tint, 10.33% VLT, Base 4 CurveBronze: Amber tint, 10.88% VLT, Base 4 CurveForest: Green tint, 9.79% VLT, Base 4 Curve