0OX8181 Cognitive R
Run by expert opticians — trusted prescription lens quality, guaranteed!
0OX8181 (Oakley Frame) is selling fast
Last few pairs left of these 100% original designer eyewear.
Buy Now Before the Deal Ends Forever!
We guarantee your satisfaction with a full 100% money back or exchange guarantee*. If you do not like your glasses you can return them to us within 14 days of receiving your order and we will either (a) credit your account for the total cost of the frames, (b) exchange them for other frames, or (c) we will refund in full the cost of the frames. (*We cannot refund the cost of lenses or any additional coatings that may have been added as this is a customised item). We do not reimburse postage when returning any items.
**Please note - All non-prescription eyewear must be returned with the original packaging with case and cloth, or no refund will be given.
For refunds, please send us an email at info@ardoreyewear.co.uk.
Please include everything you received in the original order including case cloth and frame, as well as a cover note stating your name, your order number and how you would like to proceed with your order i.e., refund, exchange, lens upgrade or other.
If you wish to exchange your order, please clearly state what you would like to exchange your order to, if you wish to upgrade your order to add lens, please state what lenses you require, if you would like any coatings and any extras.
Once we receive your order back in store, we will action your request.
**Please note - Any refunds can take up to 3-5 working days to be refunded once the order is received in store.
10% Discount Applied on Varifocal Lenses
30% Discount Applied on Single Vision Lenses
| Model Code: | 0OX8181 |
| Brand: | Oakley Frame |
| Product Type: | Eyeglasses |
| Barcode: | |
| Gender: | Men |
| Model Name: | Cognitive R |
| Theme: | Sport Performance |
| Suits These Face Shapes: | Square Face, Oblong Face, Long Face, Rectangle Face, Rectangular Face |
| Frame Shape: | Round |
| Front Material: | Titanium |
| Rim Type: | Full Rim |
| Frame Front Colour: | Brown |
| Front Colour (detailed): | Polished Brown Tortoise |
| Frame Temple Materia: | Titanium |
| Lens Color: | DEMO LENS |
| Lens Base Curve: | Base 4 |
| Lens Width: | 53 MM |
| Lens Height: | 49 MM |
| Bridge Size: | 18 MM |
| Temple Length: | 137 MM |
| Size Guide: | L |
| Geofit: | Adjustable Nosepads |
Oakley frames are the pinnacle of performance-driven design, blending cutting-edge technology with a bold, athletic aesthetic. Known for their innovative materials and precision engineering, Oakley eyewear offers unparalleled durability, comfort, and visual clarity. Signature features like impact-resistant lenses and sleek, aerodynamic shapes make Oakley frames ideal for active lifestyles.
From sporty wraparounds to versatile everyday designs, Oakley combines functionality with style. Perfect for athletes and adventurers who demand both performance and innovation, Oakley frames are a symbol of endurance and modern design excellence.

*The packaging image is for reference purposes only; actual packaging may differ.
Meet the Oakley COGNITIVE R (Model 0OX8181) — a refined statement in modern optical design, crafted for the discerning gentleman. Part of Oakley’s Eyeglasses collection, this round silhouette blends sport‑inspired performance with everyday elegance. Offered in four classic finishes — Polished Brown Tortoise, Polished Clear, Satin Black and Satin Grey Smoke — and available in two sizes (53 mm and 55 mm), these frames deliver versatile style to suit a range of face shapes.
Constructed with precision Titanium for both the front and temples, the COGNITIVE R showcases lightweight strength and corrosion resistance that luxury customers expect. With a 53 mm lens width (also available in 55 mm), a 49 mm lens height and a comfortable 18 mm bridge, the geometry is engineered for balance and wearer comfort. The 137 mm temple length and adjustable nosepads (Geofit) ensure a tailored fit that stays secure through daily movement — ideal for those who demand form and function from their eyewear.
As authentic designer eyewear, these Oakley frames are fully prescription glasses ready: Ardor Eyewear offers expert lens customisation so you can add single-vision, bifocal or progressive lenses to suit your needs. The COGNITIVE R’s Base 4 lens geometry accommodates a wide range of prescriptions while maintaining optical clarity and a refined profile. Choose your specification with confidence — Ardor Eyewear is an official stockist, guaranteeing genuine packaging, manufacturer warranties and professional support.
Beyond the materials and measurements, the appeal of the COGNITIVE R lies in its understated luxury and performance lineage. Perfect for urban professionals seeking premium, comfortable frames that transition effortlessly between work and leisure, these Oakley glasses combine sport performance cues with polished styling. Our team of opticians is on hand to guide frame selection, frame sizing and lens choices, and we provide easy online ordering with secure prescription upload or in‑store assistance.
Choose the COGNITIVE R for a sophisticated optical solution that honours craftsmanship, comfort and authenticity. Shop with Ardor Eyewear for competitive pricing, fast dispatch, clear delivery updates and responsive customer care — the refined way to invest in lasting, high‑quality eyewear.
👍🏻
Lovely. Shipment was a little bit late but the service and item is awesome.
Perfect birthday gift for my guy 😍
Fantastic Ray Ban Chromance sunglasses at the best price I could find.
Excellent service and would definitely recommend Ardor Eyewear
all I can say you get what you paid for the Oakley I got high-quality fantastic fit and were delivered on time. Thanks very much. Can definitely recommend this company.
Great sunglasses. Excellent customer service.
Thanks for speedy replacement.
Great company to buy from
Great glasses perfect fit
Super fast delivery, competitive prices, you can’t go wrong
Super fast delivery. Best price I found for originals. Love these shades! With thanks
Really pleased with them, looking forward to some regular sunglasses now
Love them. Next time I would get 1 size smaller but they are great.
Excellent service :)
Great service
Great for frame
This eyewear store offers authentic designer sunglasses and glasses at competitive prices, significantly cheaper than high street retailers. Customers praise excellent product quality, great customer service, and effective communication. While delivery can tak... This eyewear store offers authentic designer sunglasses and glasses at competitive prices, significantly cheaper than high street retailers. Customers praise excellent product quality, great customer service, and effective communication. While delivery can take up to 10 working days, the store keeps customers well-informed. Products arrive well-packaged with proper branding from brands like Ray-Ban, Oakley, and Prada.
Read moreOrdering multiple pairs of glasses with different prescriptions is very easy. After you have filled out all your prescription information, simply click “CONTINUE SHOPPING” to continue with the checkout process.
You will then be redirected to the main page where you can choose another pair and insert a different prescription. You can check your cart at any time by clicking on the cart icon.
Yes, all products at Ardor Eyewear are 100% authentic. We source directly from authorized distributors and trusted suppliers, so you can shop with confidence knowing you're receiving genuine branded eyewear.
Absolutely! We provide prescription lenses tailored to your needs, including single vision, bifocals, and progressive lenses. Simply upload your prescription during checkout or email it to us at info@ardoreyewear.co.uk
Choosing the perfect size is simple with Ardor Eyewear! Check the frame size printed on your current glasses, or use our online frame size guide to find the ideal fit for your face shape and dimensions.
Yes, we offer free shipping across the UK on all orders.
We want you to love your new eyewear! If you're not satisfied, we offer hassle-free returns or exchanges within 14 days, provided the items are in their original condition. Visit our Returns & Exchanges page for more details.
Yes, all our eyewear comes with a 2 years manufacturer's warranty covering defects in materials and workmanship. Terms and conditions apply.
Yes, once your order has been dispatched, you’ll receive a tracking number via email or SMS, allowing you to monitor your delivery every step of the way.
Yes, we offer customization options such as lens coatings, tints, and more. Let us know your preferences, and we’ll ensure your eyewear meets your exact needs.
Our headquarters are located in derby, and we proudly serve customers across the UK.