The award-winning Treeline is a medium-large frame with extreme coverage and sun protection. A unisex style that looks great on radical guys and gals alike, the Treeline is a must-have for spring skiing and mountain pursuits.Sunski’s premier performance style mixes a classic aviator with the iconic glacier goggle. Removable magnetic sun shields protect the eyes from side glare, while perforations prevent fogging and enhance peripheral vision. The Treeline isn't just great for snow days! Extra dark lenses and sun shields make these a great pick if you spend extended amounts of time in the snow or on the water. 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:SuperLight recycled polycarbonate framesHigh impact & scratch resistant Polycarbonate LensesStainless steel hinges with lock-tight screwsDesign & Fit:Eye Coverage: Very GoodWrap & Angle: MaximumTemple Width: 141 mmBridge Width: 22 mmLens Width: 50 mmLens specs:Slate: Non-mirrored, Grey tint, 9.70% VLT, Base 6 curveOcean Fade: Fade, Blue tint, 11% VLT, Base 6 curveAmber: Non-Mirrored, Amber tint, 15% VLT, Base 6 curveSilver: Mirrored, Grey tint, 11% VLT, Base 6 curveForest: Non-Mirrored, Green tint, 9.79% VLT, Base 6 curveBronze CAT 4: Mirrored, Amber tint, 5.37% VLT, Base 6 curveAll lenses are polarized, block 100% UVA/UVB/UV400 wavelengths and pass FDA basic impact test.Size & Dimensions:Size: MediumWeight Grams (oz): 28.1 grams.99 ozLens Width (mm): 50.45Bridge (mm): 22.49Arm Length (mm): 136.60Frame Width (mm): 141.41Lens Height (mm): 45.07Faceplate Angle (mm): 82.0Arm Tip Distance (mm): 100