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The detail
Built for athletes who demand precision and reliability, the Oakley Flak 2.0 XL Polarised Sunglasses (OO9188-96) deliver uncompromising performance in a sleek, lightweight design. This XL version extends lens coverage for enhanced peripheral vision-ideal for cycling, running, golf, and high-intensity outdoor training.
Featuring Prizm Black Polarized lenses, Flak 2.0 XL sharpens contrast and detail while eliminating harsh glare from reflective surfaces like roads and water. The result is clearer vision, reduced eye strain, and consistent visual performance in bright-light conditions.
The semi-rim frame is crafted from durable O Matter , offering flexibility and all-day comfort without sacrificing strength. With a high bridge fit and narrow frame geometry, these sunglasses stay secure through movement, making them a trusted choice for competitive and recreational athletes alike.
Engineered to perform. Designed to endure. Trusted worldwide.
Key Features & Benefits
- Prizm Black Polarized Lenses - Enhanced contrast with superior glare reduction
- XL Lens Coverage - Expanded vertical and peripheral vision
- Semi-Rim Performance Design - Lightweight and aerodynamic
- O Matter Frame Material - Durable, flexible, and comfortable
- High Bridge Fit - Secure fit during high-impact activity
- Solid Mirror External Treatment - Reduced glare with a premium finish
- Unisex Sport Performance Design - Built for training, racing, and everyday performance wear
Lens Specifications
- Lens Colour: Prizm Black Polarized
- Base Lens Colour: Grey
- Light Transmission: 11%
- Lens Sun Category: Grey (Bright Light)
- Contrast: Enhanced
- External Treatment: Solid Mirror
- Lens Material: Polycarbonate
- Lens Width: 59 mm
- Lens Height: 38 mm
- Lens Base: 8.75
Frame Specifications
- Model: FLAK 2.0 XL
- Model Code: OO9188-96
- Frame Colour: Matte Black
- Frame Finish: Matte
- Frame Material: O Matter
- Frame Shape: Rectangle
- Rim Type: Semi-Rimless
- Fit: High Bridge Fit
- Frame Fitting: Narrow
- Bridge Size: 12 mm
- Temple Length: 133 mm
- Hinge-to-Hinge: 126 mm
- Size: 59
| SKU | 0OO9188-918896-59 |
|---|---|
| Brand | Oakley |
Delivered by The Courier Guy in 2 to 3 working days, tracked nationwide. Delivery is free on orders over R2 500.
Changed your mind or the fit is wrong? Return it within 30 days.
Before you choose
Questions worth asking
What does polarisation actually do?
Light bouncing off a flat surface such as a road, water or a car bonnet becomes horizontally aligned, which is what you experience as glare. A polarised lens filters that alignment out. It makes the biggest difference driving, fishing or near water, and it is a genuine optical effect rather than a coating that wears off.
Do blue light glasses really help?
Honestly, the evidence is mixed and we would rather say so. A 2023 Cochrane review pooling 17 trials found blue-light filtering lenses probably make little or no difference to eye strain at a screen. Where the evidence is stronger is evening light and sleep. We set out the research in full, including the parts that do not favour the product, on our Information page.
How do I work out which frame size suits me?
Every product page lists the model code and its measurements, in the order the industry uses: lens width, bridge width and temple length, all in millimetres. The quickest guide is a pair you already own, since those three numbers are usually printed on the inside of the temple arm. Match those and the fit will be close.
What do the numbers in the product name mean?
They are the manufacturer model code and colourway. On a Ray-Ban RB3548N 002/71 51, RB3548N is the model, 002/71 identifies the frame and lens colour combination, and 51 is the lens width in millimetres. Searching that code on our site will bring up every colourway we hold.

