Costa BROADBILL II XL Sunglasses 18L The Mackerel version of the

The Mackerel version of the fly is an offshore killer

The ‘gripping’ surface of the jaws features a 20° diamond pattern for a secure hold

featuring our ultra-thin

The tumbler itself is also double-wall insulated

Unlike traditional stacked-disc drag systems

Costa BROADBILL II XL Sunglasses 18L The Mackerel version of theBroadbill II XL brings modern hybrid design to a larger fit, pairing generous sizing and integrated spring hinges with Costas signature performance DNA. The 8 base lens profile maintains a clean, contemporary aesthetic while delivering dependable coverage and protection for any environment. With its modern square silhouette, this frame expertly blends utility and style, offering a versatile look that transitions seamlessly from a day on the water to