Named After The Small, Chilled-Out Town In The Sea Of Cortez, The Costa Loreto Sunglasses Are Full Frame And Adventure Friendly. Whether It´s Hanging On The Coastal Cliffs For Which These Costa Men´s Or Women´s Sunglasses Get Their Name Or On Any Adventure On Land Or Sea, These Durable, Versatile, Polarized Sunglasses Can Handle Their Own For Any Explorer. Features: - Frame Fit: Narrow - Lens Curve: Base 6 - Nosepad Adjustable: Yes - A Small Lens Front For Those Who Prefer To Cover A Smaller Portion Of The Face. - Nose Bridge: Adjustable Nosepads: Adjustable Nosepads Can Be Widened Or Narrowed To Fit Your Unique Nose Shape. - Premium Polarized 580 Lenses: Filtering Reflective Glare Is Essential For Anyone On The Water Or Outdoors. We Sell Only Polarized Sunglasses. - 100% Uv Protection: Your Costas Absorb 100% Of Uv Light, Providing You The Best In Light Management And Protection. - Adjustable Nose Pads: Fully-Adjustable, Nonslip Nose Pads Were Designed To Further Customize Your Fit And Help Reduce Fogging. - Scratch Resistant And Durable: The C-Wall Coating Provides Extra Scratch-Resistance And A Barrier That Repels Water, Oil And Sweat For Easy Cleaning. Specifications: - Lens Material: Polarized Polycarbonate (580p) Technolgy: - Copper Silver Mirror: Well-Suited For Stream Fishing And Other Environments With Varying Light. - Copper Base - 12% Light Transmission Optimal Usage: - Excellent For Sight Fishing - Everyday Activities - Most Versatile - Cloudy Days - Costa 580® Lenses: Costa 580® Lenses Were Designed By In-House Light Spectrum Experts To Enhance Colors Because Standard Sunglass Lenses Fell Short. The Lens´ Multipatented Technology Manages Light By: - Absorbing Harmful High-Energy Blue Light (Hev) - Enhancing Reds, Greens, And Blues - Filtering Out Harsh Yellow 580® Lightwave Glass Superior Clarity & Scratch-Resistance: - Glass Provides The Best Clarity In Material - Encapsulated Mirrors (Between Layers Of Glass) Are Scratch-Proof - 20% Thinner And 22% Lighter Than Average Polarized Glass 580® Lightwave Polycarbonate Lightweight, Impact-Resistant: - Polycarbonate & Are Your Lightest And Most Durable Lens Material Options - C-Wall® Is A Molecular Bond Which Is Scratch-Resistant