Costa Del Mar Mainsail XL Sunglasses

Built on the proven design of Costa's acclaimed Mainsail frame, the XL version expands accessibility for serious water enthusiasts. Enhanced micro side shields and integrated hood geometry maximize light blocking and environmental protection, while strategically vented nose pads combat fogging during active use. Temple tips are engineered to accommodate retainers, safeguarding your investment during water-based adventures. This hybrid frame delivers the same trusted performance and refined styling in a larger fit.