FAQ

All NINES® sunglasses feature our patented NIRTECH® polarized lens technology, designed to block UV rays, harmful blue light, and near-infrared radiation for clearer, more comfortable vision.

Yes. Polarized NIRTECH® lenses cut glare from water, roads, and reflective surfaces, enhancing visibility. And with the IR blocking, it also significantly reduces eye fatigue.

No. While trusted by anglers, our sunglasses are also designed for outdoor sports, driving, hiking, and everyday wear.

NIRTECH® is Nines’ patented polarized lens technology. It not only blocks UVA and UVB rays but also blocks harmful near-infrared (NIR) light—the invisible light that heats eyes and causes strains and fatigue.

Standard polarized lenses block UV rays and glare but still allow NIR heat to pass through. NIRTECH® lenses go further, filtering NIR with only a 7.2% transmission rate compared to 33.3% in typical lenses, giving you stronger protection and less eye fatigue.

Yes. NIRTECH® lenses enhance natural color contrast, reduce glare, and allow optimized light transmission for sharper, more balanced vision outdoors.

NIRTECH® IR blocking lenses are ideal for anglers, outdoor enthusiasts, and everyday wearers. From fishing and water sports to driving and hiking, it delivers clarity, comfort, and long-term eye protection.

A lens cleaning spray and a premium microfiber cloth are the best way to keep your NINES® sunglasses crystal clear. Store them in their protective case when not in use. Check and tighten hinge screws regularly to extend frame life. With proper care, your NINES® will deliver clarity and protection for years of adventures.

Yes, all NIRTECH® lenses feature protective coatings that help resist scratches, smudges, and water. These coatings keep your vision clear and your lenses performing at their best during long days outdoors.

NINES® eyewear comes with a 2-year standard warranty. For more details, visit our warranty page here.

Returns are accepted within 30 days of purchase if the product is in its original condition.

Yes, NINES® supports customization. Whether it’s lens colors, frame styles, or branded logo engraving, we can tailor sunglasses to your needs. Reach out to our customer serviceteam for details and available options.