Blending high end style with functional alpine gear. 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.Featuring perforated removable side shields and center piece, you can count on extra sun protection with efficient air flow. Black interior on the side shields also helps to block out extra glare for bright days on the slopes.UV Protection:100% UV A/B/400 ProtectionLens Information:All lenses are polarized, block 100% UVA/UVB/UV400 wavelengths and pass FDA basic impact testMaterials:Rilsan G850 (Ultralight) and electroplated stainless steel frameHelio PC Lenses (Polycarbonate lenses)Stainless steel hinges with lock-tight screwsDesign & Fit:Eye Coverage: HighWrap & Angle:HighTemple Width: 147.05 mmBridge Width: 20.15 mmLens Width: 53.61 mmSilver: Mirror, Grey tint, 10.33% VLT, Base 4 Curve Bronze: Amber tint, 10.88% VLT, Base 4 CurveForest: Green tint, 9.79% VLT, Base 4 CurveAll lenses are polarized, block 100% UVA/UVB/UV400 wavelengths and pass FDA basic impact test.Size & Dimensions:Size: LargeWeight Grams (oz): 36.9 grams1.30 ozLens Width (mm): 53.61Bridge (mm): 20.15Arm Length (mm): 134.25Frame Width (mm): 147.05Lens Height (mm): 44.80Faceplate Angle (mm): 82.0Arm Tip Distance (mm): 108