HOT ! Costa Mainsail XL

Mainsail XL is a direct size extension of one of our best-selling Hybrid Frames, Mainsail, providing a broader reach of water explorers the same functionality, versatility and aesthetic they’ve come to love. Micro side shields and hooding provide a heightened level of coverage, minimal light leak and protection from the elements. Vented nose pads increase ventilation across the frame, reducing the risk of fogging. Retainer ready temple tips allow users to affix any retainer of their choice to ensure their frames aren’t lost while exploring.

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 technologymanages light by:

• Absorbing Harmful High-Energy Blue Light (HEV)


• Enhancing Reds, Greens, and Blues


• Filtering Out Harsh Yellow

580® lightwave glass

• C-Wall Molecular Bond


• Glass Layer


• Encapuslated Mirror


• Polarized Film


• Glass Layer


• C-Wall Molecular Bond

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