The Liv Lumea is the perfect blend of clarity comfort and durability for outdoor adventures; its ultra-lightweight frame and arm design ensure all-day wearability. Polarized lenses block harsh glare from roads ideal for bright conditions while photochromic lenses adapt seamlessly to changing light transitioning from category 1 to 4 for crystal-clear vision from dawn to dusk or sun to shadows. Crafted from premium shatterproof polycarbonate the Liv Lumea offers superior eye protection and durability so you can focus on the journey ahead no matter where it takes you. Features Shatterproof Polycarbonate Lens - ANSI Z87.1 certified All lenses feature anti-scratch oleophobic oil repellent and hydrophobic water repellent coating Robust lightweight durable Grilamid TR90 arm is resilient against impacts Dual-injection arm design offers all-day comfort and stability Adjustable non-slip non-toxic silicone nose pad Nose pad clip for attaching prescription frames Interchangeable lenses for variable conditions Precise snap lock hinges ensure durability 100% UV protection PolarVis Lens Technology uses optimized polarization to cut through the glare from bright sun car headlights or water and snow allowing you to enjoy a full spectrum of colors and clear vision without squinting or straining your eye Specifications   Weight: 30g   Lens Height: 51.5mm   Frame Width: 147.3mm   Bridge Distance: 20mm   Temple Length: 124mm   Frame Material: TR90 and PC   Frame Colors: White frame Khaki frame and Purple frame