Oakley Flak 2.0 XL Polarized Sunglasses
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Extended Lens Coverage, Uncompromised Optics
The Oakley Flak 2.0 XL Polarized Sunglasses deliver a standard-size frame paired with enhanced peripheral lens coverage, so every degree of your field of view gets the same optical treatment as your center vision. Every millimeter of peripheral view is optimized with Oakley's High Definition Optics (HDO), the standard that meets or exceeds the testing standards of the American National Standards Institute for optical clarity, impact resistance, and lens distortion.
These are purpose-built sport sunglasses for athletes who need a wide, distortion-free window to the world. The semi-rimless wrap design visible in the frame keeps weight low while maximizing light control at the lens edge, and the 8.75 base lens geometry locks the lens into a deep wrap position that seals out peripheral glare from the sides.
Prizm Polarized Lenses
Every variant in this lineup is equipped with Oakley Prizm polarized lens technology. Prizm is a lens engineering platform designed to enhance color, contrast, and detail by fine-tuning light transmission in specific wavelengths. Where a standard tinted lens blocks light uniformly, a Prizm lens is tuned to the spectral conditions of a specific environment, so the contrast between a wave face and flat water, or a ball against a bright sky, becomes sharper and more readable.
The polarized filter layered into each Prizm lens eliminates reflected glare from flat, horizontal surfaces, which is the dominant visual problem on the water, on the road, and on turf under high sun. Polarization and Prizm tuning work together rather than canceling each other out, which is a meaningful distinction from generic polarized sport lenses.
Frame Construction and Comfort Technologies
The frame is built from Oakley's O Matter material, a lightweight stress-resistant nylon compound that maintains its shape and flex characteristics across a wide range of temperatures. Ellipse metal icon accents on the temples reinforce the frame's structural integrity at the hinge points while delivering a premium finish.
Grip is handled by two Oakley-specific materials. Unobtainium ear socks are fitted at the temple tips, and Unobtainium nose pads sit at the bridge. Unobtainium is formulated to increase its grip coefficient as it contacts moisture, so the fit tightens rather than slips during high-output activity. This is the material difference that separates a dedicated sport sunglass from a fashion frame worn during sport.
Included and Compatible Accessories
Each pair ships with a protective soft vault, Oakley's microfiber pouch designed to store and clean the lenses without scratching. The Flak 2.0 XL is also compatible with Oakley Authentic Prescription Lenses, making it a viable option for athletes who require corrective optics rather than over-the-counter readers or contact lenses.
Oakley Brand Context
Oakley was established in 1975 and is headquartered in Southern California. The company holds more than 600 patents and has built its product line around the principle of identifying performance problems and solving them through optics and materials engineering. The Flak 2.0 XL is a direct expression of that philosophy: a frame sized and shaped to serve athletes across a broad range of sport applications, with lens technology tuned to the specific visual demands of outdoor performance.
Island Water Sports carries the Oakley Flak 2.0 XL Polarized Sunglasses in store and online. Use the variant picker above to select your lens and frame combination.
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Specifications
- Brand
- Oakley
- Model
- Flak 2.0 XL
- Lens Technology
- Prizm polarized
- Lens Base Curve
- 8.75 base
- Optics Standard
- High Definition Optics (HDO)
- Frame Material
- O Matter (lightweight stress-resistant nylon)
- Frame Accents
- Ellipse metal icon
- Nose Pads
- Unobtainium (grip increases with moisture)
- Ear Socks
- Unobtainium (grip increases with moisture)
- Polarized
- Yes
- Prescription Compatible
- Yes, Oakley Authentic Prescription Lenses
- Included
- Protective soft vault
- Intended Use
- Sport, outdoor performance
- Gender
- Men's
- Product Type
- Sunglasses
Frequently Asked Questions
- Are the Oakley Flak 2.0 XL sunglasses polarized?
- Yes. Every Flak 2.0 XL variant sold at Island Water Sports includes a polarized Prizm lens. The polarized filter eliminates reflected glare from horizontal surfaces such as water, pavement, and turf, and is combined with Oakley's Prizm spectral tuning for enhanced contrast and color detail.
- What is the difference between Prizm and standard polarized lenses?
- A standard polarized lens blocks reflected glare uniformly across the visible spectrum. An Oakley Prizm polarized lens does both: it eliminates reflected glare AND fine-tunes light transmission in specific wavelengths to enhance color contrast and detail for the visual environment the lens is designed for. The result is sharper, more readable vision rather than simply darker vision.
- What is O Matter and why does it matter for sport sunglasses?
- O Matter is Oakley's proprietary frame material, a lightweight stress-resistant nylon compound. It is formulated to maintain its flex characteristics and shape across a wide range of temperatures, making it more stable than standard plastics during extended outdoor use or when exposed to heat.
- What is Unobtainium and how does it work?
- Unobtainium is the material Oakley uses for the ear socks and nose pads on the Flak 2.0 XL. It is engineered to increase its grip coefficient when it contacts moisture (sweat or water), so the frame holds more securely the harder you work rather than slipping as it gets wet.
- Can I get prescription lenses in the Oakley Flak 2.0 XL?
- Yes. The Flak 2.0 XL is compatible with Oakley Authentic Prescription Lenses, which are available through Oakley's optical program. Contact Island Water Sports or visit in South Florida for details on the prescription lens process.
- What is included with the Oakley Flak 2.0 XL Polarized Sunglasses?
- Each pair includes a protective soft vault, which is Oakley's microfiber storage and cleaning pouch. The pouch protects the lenses from scratching during storage and can be used to clean the lens surface.
- What sports are the Oakley Flak 2.0 XL Polarized Sunglasses designed for?
- The Flak 2.0 XL is built as a versatile sport performance frame. The 8.75 base lens geometry, extended peripheral coverage, Prizm polarized optics, and Unobtainium grip system make it well-suited for water sports, cycling, baseball, running, and any high-output outdoor activity where glare control and optical clarity matter.