Description

Upgrade Your Under Armour Nitro L Sunglasses

Elevate your Under Armour Nitro L sunglasses with precision-crafted custom polycarbonate replacement lenses by Seek Optics. These lenses are designed for durability, style, and optimal UV protection.

Vibrant Colors and Advanced Coatings

Explore a wide range of vibrant colors and advanced coatings to personalize your eyewear, ensuring both fashion and clarity.

Impact Resistance and Safety

Seek Optics custom lenses are crafted for impact resistance, providing both fashion and safety for your sunglass experience.

Affordable and Sustainable Upgrade

Discover an affordable and sustainable way to redefine your sunglass experience. Shop now for Under Armour Nitro L premium custom polycarbonate replacement sunglass lenses by Seek Optics.

Lens Size: Lens Width: 61 mm

Selected Color Features

Upgrade Your Sunglasses with Volcanic Black Non-Polarized Lenses

Make your old sunglasses like new with Volcanic Black Non-Polarized Replacement Lenses by Seek Optics. Custom-crafted to fit your frames perfectly, these lenses match or exceed the quality of your originals for the same trusted performance.

With 11% light transmission and a cool Gray tint, these lenses are perfect for bright sunlight and outdoor activities. Whether hiking, cycling, or relaxing in the sun, Volcanic Black Non-Polarized Lenses deliver crisp vision and style.

Why You’ll Love These Lenses

Custom Fit: Precision-made for a perfect fit that makes your frames look brand new.
Non-Polarized Technology: Delivers clear, natural vision without screen interference.
Super Durable: Scratch-resistant and smudge-proof coatings for long-lasting use.
Ultimate UV Protection: Blocks 100% of harmful UVA and UVB rays.
Shatterproof Polycarbonate: Lightweight, impact-resistant material for safety and durability.

Comes With

1 pair of replacement lenses (left & right) for your sunglasses
Microfiber bag for cleaning
Protective zipper case for storage

Experience the Seek Optics Difference

At Seek Optics, we combine quality, style, and practicality. Volcanic Black Non-Polarized Replacement Lenses are built to last, making your favorite sunglasses better than ever. Upgrade today—your eyes will thank you!

Lens Width: 61 mm

Replacement Lenses That Feel Just Like the Originals

Polarized Lenses: Ultimate Glare Reduction

Polarized lenses reduce glare, enhance clarity, and protect your eyes from UV rays. Perfect for outdoor activities like driving or fishing, they offer sharper vision and reduced eye strain. Discover the best polarized lenses for your lifestyle!
Seek Optics Lenses: UV Protection You Can Trust

Seek Optics lenses are designed to shield your eyes from harmful UV rays while enhancing clarity and comfort. Whether for outdoor adventures or everyday wear, these lenses offer premium protection and durability. Upgrade your eyewear with Seek Optics!
Seek Optics Lenses: Built for Toughness and Durability

Seek Optics lenses are engineered to be impact-resistant, ensuring they stand up to life’s toughest challenges. Perfect for active lifestyles, these durable lenses provide long-lasting performance without compromising clarity.

Are Polarized Sunglasses Really Necessary?

Polarized lenses reduce glare, enhance visibility, and reveal what’s beneath the water’s surface. Simply put, they make the activities you love even better. Once you’ve navigated a sharp turn without the sun blinding you or spotted a fish beneath the surface, you’ll wonder how you ever managed without them.

Enhance Your Vision with Seek Optics’ Premium Lenses for Every Sport

Whether you're cycling on open roads, casting your line in calm waters, or perfecting your swing on the green, Seek Optics lenses deliver unmatched clarity and durability. Designed with athletes in mind, these lenses use advanced technology to enhance visibility, reduce glare, and ensure comfort during any activity. With a wide range of 18 lens colors tailored to every sport, Seek Optics ensures you have the ideal lens for any condition. If you're looking for impact-resistant polarized lenses for outdoor sports, we’ve got you covered. Redefine performance and style with lenses designed to help you excel in every moment!

Explore Our Color Collection

How to replace Under Armour Nitro L lenses

Step 1: Removal

Place your thumb under the bridge (nose) of the frame. With the other hand place your index finger on top of the frame, above the lens, and your thumb on the bottom of the lens. Push UP on the bridge and DOWN on the frame and lens

Step 2: Line Up

Locate the notches of the lens. Start with the outside notch and line up to the groove and notches of the frame

Step 3: Installation

Push UP on the nose side of your lens and pull DOWN on the frame until your hear a POP and ensure the lens is seated securely into your frame

Can't Find Your Frame?

Get Custom Cut Lenses

Ignite your style and protect your eyes with our exclusive range of custom sunglass lenses. We can custom-make lenses for any eyewear brand.

Fully loaded with high-end features and a fraction of the cost of buying a new pair of sunglasses.

Buy Custom Lenses

Seeking Clarity? Seek Optics!

The experts at Seek Optics have unrivaled mastery in lens replacement. I'm impressed!

Under Armour Nitro L

Experience the world through a kaleidoscope of clarity with these remarkable lenses.

Under Armour Nitro L

Why is the lens shape pictured different than my original Under Armour Nitro L lenses?

60-Day Returns Policy