Review by Jon Donnis
There comes a point during a long gaming session where your eyes start fighting back. Colours feel harsher, brightness becomes tiring, and after a few hours you end up rubbing your eyes more than focusing on the game itself. That was exactly why I decided to put the GUNNAR Optiks Mammoth glasses to the test, and after several lengthy gaming sessions, I came away seriously impressed.
The Mammoth glasses sit within GUNNAR’s King Collection, and the name fits perfectly. These are bold, masculine glasses with a thick rectangular frame that instantly stands out without looking over the top. The Onyx frame colour keeps things stylish and professional enough for office use, but they still carry enough personality to feel right at home in front of a gaming setup.
Fit is one of the biggest selling points here. I have a slightly larger head, or so I keep getting told, and finding glasses that do not pinch around the temples can sometimes be frustrating. The extra wide dimensions on the Mammoth frame made a huge difference. They sit comfortably without feeling tight, and even after hours of use they never became uncomfortable. The lightweight polymer frame also helps more than expected. Despite the chunkier appearance, they never feel heavy on the face.
The amber lens tint works brilliantly during gaming sessions. I tested these while playing several colourful modern games on a large television, exactly the kind of setup that would normally leave me with noticeable eye strain after a few hours. The difference was immediately noticeable. Bright effects felt softer, menus were easier to focus on, and my eyes simply felt more relaxed throughout. Most importantly, I finished long sessions feeling exactly as I had when I started, with no tiredness or irritation creeping in later.
GUNNAR’s lens technology continues to be one of the strongest parts of the package. The claimed 65 percent blue light blocking feels genuinely useful in real world use, especially during late evening gaming. The anti reflective and smudge resistant coating also deserves praise because the lenses stay cleaner than expected, even after regular daily use.
Build quality is excellent throughout. The sturdy multi barrel hinges give the glasses a reassuringly durable feel, and nothing about them comes across as cheap or flimsy. These feel like glasses designed to last, which is exactly what you want from something you may end up wearing every single day.
As for negatives, honestly there are none worth mentioning here. They are comfortable, well made, stylish, and most importantly they actually do what they promise. Considering the quality on offer, they also feel reasonably affordable.
At this stage, most people probably already know I am a big fan of GUNNAR glasses, and the Mammoth model only reinforced that opinion further. The quality is exactly what you would expect from the brand, but the standout feature here is definitely the design and fit. They look fantastic, feel fantastic, and genuinely improve comfort during long gaming sessions.
Another excellent pair of glasses from GUNNAR Optiks.
Out now for under £50
Thanks as always to the great Gunnar Optiks for providing the glasses for review.







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