With a weight of round 32 grams, the glasses by no means really feel heavy on the nostril. The inside ideas of the temples characteristic rubberized pads that hold the glasses securely in place whereas operating. They forestall bouncing, and so they additionally present glorious grip when worn over a headscarf — one thing I personally admire.
The rubber nostril pad isn’t width-adjustable, however I didn’t expertise any points. The glasses sat appropriately on my nostril and didn’t transfer or slide throughout my runs.
I examined the common blue lens (Ziris) and the photochromic black-red lens (Helbo) in varied climate circumstances. Beneath is a abstract of my findings.
Sunny Situations
Regardless that it’s autumn, we’ve had some chilly however superbly clear sunny days. For me, the common lens carried out greatest in these circumstances. Even when operating instantly into the solar, I had no points with glare.
The photochromic lens, however, didn’t darken sufficient for my choice when dealing with vivid daylight head-on. With the solar at my again or from the aspect, it was completely nice — however full solar publicity revealed its limitations.
Gray Skies
No shock right here: the photochromic lens performs greatest in this sort of climate.
The common lens is just too darkish for overcast circumstances (as anticipated).
The photochromic lens adjusts properly, however even in absolutely overcast climate it doesn’t develop into utterly clear. Personally, I would favor it to loosen up only a bit extra in order that it’s nearly absolutely clear.
Wet / Humid Situations
An excellent pair of glasses additionally has to carry out within the rain. You’ll be able to think about what it’s like within the mountains when it rains, the wind picks up, and visibility turns into a problem.
Throughout my wet run, the lens confirmed glorious water repellence — raindrops rolled off simply, helped by a little bit of wind that day. I used the photochromic lens due to the gray skies, however since all Naos lenses have a hydrophobic coating, I count on this habits to be constant throughout fashions.
Fogging is one other think about humid circumstances. Throughout operating, I had no points with condensation. After I stopped shifting, the lenses began to fog up barely, however the second I resumed operating, the airflow cleared them once more.
Windy Situations
I used to be fortunate — or unfortunate, relying on the way you see it — to check the glasses in robust winds. As talked about earlier, my eyes tear up shortly in windy environments, so I used to be curious how the Naos glasses would carry out.
Each fashions protect the eyes extraordinarily properly; no wind reached my eyes in any respect.
The marginally bigger lens of the Ziris provides it a small benefit over the Helbo on this situation.
Quickly Altering Mild (Forest ↔ Open Terrain)
I wasn’t capable of take a look at the glasses in these particular circumstances. The important thing query stays whether or not the photochromic lens adapts shortly sufficient to fast shifts between shadow and vivid gentle — one thing that’s significantly necessary for path runners.
Lens swapping system
A lens-swapping system is an actual benefit as a result of it makes a single pair of glasses way more adaptable, purposeful, and cost-effective. I don’t consider there’s one “final” lens that works completely in each climate situation — that lens merely doesn’t exist.
Past selecting the best lens for the best circumstances, it additionally provides you the flexibleness to exchange a scratched lens or swap to a unique colour to match your outfit 🙂
Each the Helbo and Ziris characteristic a lens-swapping system. An enormous benefit: despite the fact that each fashions include lenses in several shapes, they’re absolutely interchangeable.
On most eyewear, the nostril piece is connected on to the body. Naos takes a unique strategy: the nostril piece clips onto the lens as a substitute of the body. This makes swapping lenses noticeably simpler. You merely take away the nostril clip first — which additionally means it’s replaceable if it ever breaks — and solely then detach the lens from the body.
After I say “simple,” I nonetheless should admit the method feels a bit nerve-wracking. It all the time provides me the impression that I would stress and even crack the body. Naos mentions of their on-line guide that it’s essential to pull firmly, however nonetheless… that second stays barely scary.
The upside of the nostril piece not being fastened to the body is that you simply solely must give attention to clicking the lens into the higher a part of the body — which is easier in comparison with glasses the place the nostril piece is built-in into the construction.
Conclusion
Naos delivers high-quality eyewear at a really affordable value. You discover it the second you open the field, and the beneficiant bundle of included equipment is solely glorious in comparison with what most rivals supply.
Each the Helbo and the Ziris are comfy, well-fitting glasses that keep completely in place whereas operating — no slipping, no bouncing.
With their vary of lens choices — common, photochromic, and polarized — there’s one thing for each kind of runner and each situation. The lenses themselves are top-tier. Their proprietary Lumitron know-how affords excellent specs: enhanced colour distinction, anti-scratch coating, UV400 safety, glare discount, hydrophobic coating, and an anti-fog layer. They’ve lined all of it.
A small private be aware: for my style, the photochromic lens might develop into a bit lighter in poor-visibility climate and a bit darker in full solar. However that’s purely a private choice.
I’m trying ahead to seeing Naos broaden their lineup with new fashions and proceed refining their lenses to ship much more superior know-how.
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NAOS HELBO
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Tester Profile
Kurt is an skilled endurance athlete in his early 50s with a background rooted in long-distance triathlon. In recent times, he transitioned absolutely into (path) operating, constructing a robust résumé throughout technical and long-distance mountain occasions. He accomplished the Tour du Mont Blanc in 4 days, and raced each UTMB Tenerife (73K) and UTMB Mallorca (106K), alongside a gentle stream of native path and highway races starting from quick codecs to ultra-distance.
His each day coaching floor is a mixture of 70% highway and 30% trails, giving him a balanced, real-world perspective on gear efficiency throughout various terrain. Kurt is 1m86 and 78 kg, with a typical shoe measurement of EUR 44 / UK 9.5 / US 10, making him a dependable reference for match and sizing suggestions.
Observe Kurt on Instagram and Strava
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