Named After The Legendary, Modern-Day Explorer Chris Fischer, These Costa Men´s Angler Sunglasses Are The Trusted, First Mate To Anyone Looking Over The Horizon For Their Next Adventure. Equipped With A No-Slip Hydrolite™ Lining, Our Signature Three-Hole Venting System And Polarized, These Costa Fisch Sunglasses Channel The Performance And The Fishing Prowess Of One Of The Greats. Features: 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. 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 Glass (580g) - Frame Fit: Regular - Lens Curve: Base 8 Decentered Technology: Blue Mirror: - Best For Bright, Full-Sun Situations On The Open Water And Offshore. - Gray Base - 10% Light Transmission Optimal Usage: - Boating And Fishing In Deep Water - Open Reflective Water - Harsh Sun 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 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 Lightweight, Impact-Resistant: - Polycarbonate & Are Your Lightest And Most Durable Lens Material Options - C-Wall® Is A Molecular Bond Which Is Scratch-Resistant