• CARBON FIBER ARM - Bircen sunglasses carbon fiber arm is the newest type of eyeglass material, which is lighter than any other on the market. Bircen sunglasses is made of carbon.High strength, good toughness. Tests have shown that carbon fiber glasses of the same size are about 30% lighter than titanium frames and less than a quarter of the weight of ordinary metal glasses, making them very comfortable and light to wear.
• HIGH QUALITY AL-MG FRAME - Al-Mg frame is relatively light in weight compared with ordinary metal frame. And It is tough, corrosion resistant, extrusion resistant, high wear resistance, safety and environmental protection. These sports sunglasses are perfect for both men and women.Carbon fiber is chemically stable, resistant to acid, alkali and salt. It is superior to other materials in anti-corrosion and can be kept intact in damp and harsh environment.

• BREAKTHROUGH INNOVATION DESIGN- Bircen sunglasses, made of aluminum-magnesium metal frames and carbon fiber arms, can provide a broad and clear view, they are sand-proof, windproof, and anti-fog, etc. The streamline design of arms makes the eyes comfortable and will not slide down.
• UV 400 PROTECTION - Bircen polarized sunglasses have a UV rating of 400, which means they block 99% to 100% of UVA and UVB radiation, without the haze and optical distortion of traditional polarized lenses. Polarized lenses optimize vision for maximum clarity and accuracy. These sunglasses are perfect for fishing, driving, playing on the beach, exercising, and any other adventure with a polarized lens.
• Metal frame
• Composite lens
• Polarized
• Anti-Fog Coating coating
• Lens width: 56 millimeters; Bridge Width 17mm, Temple 150mm
• Imported

Shipping Note: Shipping to Alaska, Hawaii, PO Boxes, and APO addresses is not available for this item

Warranty: 90 Day Woot Limited Warranty