Costa Mainsail XL Polarized Sunglasses
The Costa Mainsail XL Polarized Sunglasses are designed for anglers and outdoor enthusiasts who want maximum coverage, premium optical clarity, and all-day comfort. Built as the larger version of Costa's popular Mainsail frame, the Mainsail XL combines an oversized wrap design with Costa's industry-leading 580® polarized lens technology to reduce glare and enhance visibility on the water. Whether you're surf fishing the Outer Banks, casting from a pier, running offshore, or spending the day on the beach, these sunglasses deliver dependable performance in demanding coastal environments.
Available at Frank & Fran's, your trusted Hatteras Island tackle shop. We proudly ship nationwide.
Why Eye Protection Matters
- Costa 580® polarized lenses help eliminate harsh glare from water and sand.
- Enhances color, contrast, and definition to better spot fish and changing water conditions.
- 100% UV protection helps safeguard your eyes during long days outdoors.
- XL wrap design offers increased coverage and helps reduce peripheral light.
Where This Eyewear Is Commonly Used
- Surf fishing
- Pier fishing
- Inshore and sound fishing
- Offshore boating
- Kayak fishing
- Beach and everyday coastal wear
What to Look for in Fishing Sunglasses
- Costa 580G® polarized glass or 580P® polarized polycarbonate lenses (varies by model).
- Lightweight bio-resin frame for lasting comfort.
- Hydrolite® rubber nose pads help keep the frame secure when wet.
- Spring hinges provide a comfortable, adaptive fit.
- 8 Base Decentered lens design offers excellent wraparound coverage.
- XL fit provides extra coverage for larger face sizes.
Product Features
- Oversized XL version of Costa's Mainsail frame.
- Costa 580® polarized lens technology reduces glare while enhancing colors and contrast.
- Lightweight bio-resin frame built for everyday durability.
- Hydrolite® nose pads improve grip during active use.
- C-Wall® lens coating helps resist scratches while repelling water, oil, and sweat.
- Designed for fishing, boating, and active coastal lifestyles.
Product Specifications
- Brand: Costa Del Mar
- Model: Mainsail XL
- Frame Material: Bio-Resin
- Frame Fit: XL
- Lens Curve: Base 8 Decentered
- Lens Category: 3P
- Lens Width: 62 mm
- Bridge Width: 16 mm
- Temple Length: 130 mm
- Lens Height: 46.8 mm
- Frame Width: 142 mm
- Available Lens Materials: Costa 580G® Polarized Glass or Costa 580P® Polarized Polycarbonate (varies by colorway).
- 100% UV Protection.
Frequently Asked Questions
Are the Costa Mainsail XL sunglasses good for fishing?
Yes. Costa's 580® polarized lenses reduce glare and improve visibility, making them ideal for surf, pier, inshore, and offshore fishing.
Who is the Mainsail XL designed for?
The Mainsail XL is designed for anglers who prefer a larger frame with increased facial coverage and a secure wraparound fit.
Can these sunglasses be worn all day?
Yes. The lightweight bio-resin frame, spring hinges, and Hydrolite® nose pads provide excellent comfort for extended wear.
Are these sunglasses suitable for Outer Banks fishing?
Absolutely. The Mainsail XL is an excellent choice for reducing glare while fishing the surf, piers, sounds, and offshore waters around Hatteras Island and the Outer Banks.
Does Frank & Fran's ship nationwide?
Yes. Frank & Fran's proudly ships Costa sunglasses nationwide.
