Costa Del Mar Mainsail Sunglasses

The Costa Del Mar Mainsail is a versatile, performance-driven frame built for anglers and outdoor enthusiasts who want premium optical clarity and all-day comfort. Inspired by life on the open water, the Mainsail combines Costa's world-class lens technology with a refined silhouette that transitions seamlessly from the boat to the dock and beyond.

Key Features

580 Lens Technology – Costa's signature lens filters out harsh yellow light and enhances reds, greens, and blues for vivid, true-to-life color clarity on and off the water
Polarized Lenses – Eliminates surface glare for sharper, more comfortable vision in bright conditions
Lightweight, Durable Frame – Premium materials engineered for all-day comfort without sacrificing strength or style
100% UV Protection – Full UVA, UVB, and UVC blockage to protect your eyes in the harshest sun
Hydrolite Nose Pads & Temple Tips – Wet-grip technology that keeps your frames secure during active use on the water
Bio-Based Materials – Crafted with eco-conscious materials as part of Costa's ocean sustainability commitment

From the Water to Wherever the Day Takes You

Whether you're out on the water at sunrise or heading into town after a day on the boat, the Mainsail delivers premium Costa optics in a frame built for every moment. Backed by Costa's lifetime warranty.

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