Costa Del Mar Mainsail XL Sunglasses
Costa Del Mar Mainsail XL Sunglasses
The Costa Del Mar Mainsail XL is a bold, extra-large frame built for anglers and outdoor adventurers who demand maximum coverage and premium optical performance. With an expansive silhouette inspired by the open water and Costa's legendary lens technology, the Mainsail XL delivers serious sun protection with a commanding presence on and off the water.
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 in any light condition
- Polarized Lenses – Eliminates surface glare for sharper, more comfortable vision whether you're on the water or in the field
- XL Oversized Frame – Extra-large coverage that blocks light from all angles for superior eye protection during long days outdoors
- Lightweight, Durable Construction – Premium materials engineered for all-day comfort without sacrificing strength
- 100% UV Protection – Full UVA, UVB, and UVC blockage to protect your eyes in the harshest conditions
- Bio-Based Materials – Crafted with eco-conscious materials as part of Costa's ocean sustainability commitment
Go Big. See Everything.
Whether you're offshore, on the flats, or spending a full day in the sun, the Mainsail XL delivers maximum coverage and premium Costa optics in one bold package. Backed by Costa's lifetime warranty.
