Overview
The Costa Del Mar Mainsail XL is a performance fishing and water-sport frame built to deliver advanced clarity, protection, and coverage. With its extended wrap design and premium 580® polarized lenses, it’s ideal for anyone seeking high performance on open water or in bright environments.
Key Features:
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Oversized, wraparound / extended fit — designed to increase coverage and reduce light leakage
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Available in multiple frame colors (e.g. Matte Black, Matte Tortoise, Matte Gray Smoke, Matte Brown Smoke, etc.)
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Lens options include 580® Polarized Glass and 580® Polarized Polycarbonate in various colors (e.g. Blue Mirror, Gray, Rose, etc.)
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C-Wall® coating repels water, oil, sweat, and dust for easier cleaning and durability
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Scratch-resistant lens surfaces for longevity
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Full 100% UVA & UVB protection
Sizing & Fit:
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Size: XXL (59-18) — generous sizing for wide faces
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Frame width: ~ 143.9 mm
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Bridge width: 18 mm
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Lens height: 46.5 mm
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Temple (arm) length: 146 mm
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Fit profile: Narrow fitting (the Mainsail XL is an extended version of the Mainsail series for broader reach)
Why Choose These Sunglasses:
If you spend time on the water or in bright, reflective settings, the Mainsail XL offers enhanced protection and visual performance. The 580® polarized lens system enhances color contrast while reducing glare, and the wrap design helps block peripheral light. It’s built for anglers, boaters, or anyone who wants bold style with optimized functionality.
Product Details:
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Model: Mainsail XL (6S9131)
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Frame Material: High-grade injected plastic / performance frame materials
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Frame Style: Oversized wrap / extended coverage
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Lens Technology: 580® polarized (glass or polycarbonate)
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Lens Coating: C-Wall® for added protection
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Gender: Unisex
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Protection: 100% UVA & UVB