Brine II Matte Black Sunglasses 580G with Blue Mirror Polarized Glass lenses by Costa Del Mar

Unlock exceptional optical performance and style with the Brine II Matte Black 580G Blue Mirror sunglasses by Costa Del Mar. Crafted for anglers, watermen, and outdoor enthusiasts who demand peak clarity and durability, these sunglasses deliver high-definition vision in full-sun, high-glare conditions—without compromise.

Product Description

The Brine II 580G upgrades the classic wrap-style frame with Costa’s premium glass lens technology. The Blue Mirror polarized glass provides crisp, true-to-color optics, while the matte black 8-base wraparound frame ensures maximum coverage from light intrusion. Hydrolite grip inserts on the nose and temple tips provide extra stability, and retainer-ready temples give you the flexibility to secure your shades during active motion or on the water.

Whether you’re offshore, navigating reflective seas, or cruising coastal waters, this pair delivers durability, protection, and optical excellence in one refined package.

Key Features & Benefits

580G Polarized Glass with Blue Mirror

• Offers superior optical clarity and scratch resistance

• Gray-base with Blue Mirror coating tailored for full-sun, open-water environments

• ~10% light transmission for intense daylight use

• Filters high-energy blue light (HEV), blocks harsh yellow wavelengths, and enhances visual contrast

Full UV Protection

• 100% UV absorption built into lens design

C‑Wall Molecular Bond Coating

• Repels water, oil, sweat, and surface debris

• Protects mirror layers and improves cleaning ease

Impact-Optimized Wraparound Design

• 8-base curvature and decentered glass offer extensive eye coverage and minimal light leakage

Matte Black Frame with Hydrolite Grip

• Dual-injected grip zones at nose and temples increase retention on wet or active days

Retainer-Ready Temple Tips

• Accepts straps or retainers to secure sunglasses during vigorous movement

Prescription-Friendly Frame

• Compatible with Costa’s RX lens conversion for vision correction

Includes Protective Case & Microfiber Cloth

• Preserve lens integrity when stored

Covered by Costa Warranty & Repair Programs

• Long-term support ensures your investment is protected

Technical Specifications

• Frame Color / Finish: Matte Black

• Lens Tint: Blue Mirror

• Lens Material: Polarized Glass (580G)

• Frame Fit: Narrow

• Lens Curve: 8‑Base Wrap, Decentered

• Frame Width: 129.3 mm

• Bridge Width: 17 mm

• Lens Width: 59 mm

• Lens Height: 37.9 mm

• Temple (Arm) Length: 138 mm

• Coverage: Extensive wrap with side and upper light protection