Extra large frames and polarized glass lenses for wide faces and wide open places.Aye, this Bloke might be big and tough, but he's a regular gentleman when it comes to protecting a chap's eyes on the open ocean. These extra-large sunglasses are just as durable and reliable as your best chum thanks to their heavy-duty TR-90 frames made with resin from the castor plant. This bio-based resin offers a 70% reduction in emissions over petroleum-based resin, helping to reduce the overall carbon footprint. 100% polarized, scratch-resistant 580G Lightwave glass lenses ensure you'll be the envy of all your fishing buddies. Costa's bilateral fusion technology fuses two colors together in one frame for a chip-proof finish. Whether you're battling trophy tuna or just taking in the view on a dinner cruise, the Hydrolite nose and temple pads will keep them firmly on your face. Blue mirrored lenses are the way to go for offshore use with bright, full sun on open reflective water.580G Lightwave Glass LensesPolarized to eliminate reflective glare and reduce eye strainSuperior clarityScratch-resistant20% thinner and 22% lighter than average polarized glassEncapsulated mirrors between the layers of glass are scratch-proofMirrored lenses deliver superior contrast and color while enhancing visual acuity100% protection from UV lightAbsorbs harmful high-energy blue light (HEV)Cuts haze and blur for greater clarityFilters out harsh yellow lightEnhances reds, greens and bluesSharp contrast with high definitionTR-90 Nylon FramesCastor oil is used to make the bio-based plastic resinBio-based resin offers a 70% reduction in emissions over petroleum-based resinReduced overall carbon footprintFlexible, yet tough and durableLightweightHold their shape under harsh conditionsResistant to heat and coldBilateral fusion results in two distinct chip-proof colors in one frameHydrolite hypoallergenic rubber nose and temple pads prevent slippingCorrosion-resistant, stainless steel cam action pin hinges keep their shapeKey FeaturesExtra large fit580G Lightwave glass polarized lensesBlue mirror lens colorHeavy-duty TR-90 nylon