I mainly use them while working in the workshop and I was pleasantly surprised by their comfort. I often wear them on my nose for several hours and feel no discomfort or pressure. I also appreciate that there is no need to keep adjusting them. At this price, it's really a good purchase.
Bolle STKS 420 Glasses - Transculent Black/Smoke Polarized
Glasses designed for users working in challenging field conditions, where both effective eye protection and wearing comfort are crucial. With a robust construction and the use of high-quality polarising lenses with CAT.3 filter, they effectively protect eyes from strong sunlight, reduce glare, and enhance contrast.
Polarising visors with anti-scratch coating
Smoke coloured lenses with a thickness of 2.2 mm are made from polycarbonate, which combines low weight with high resistance to mechanical damage. Their surface has an Anti-Scratch coating, increasing scratch resistance. Thanks to this, the glasses retain their properties for longer, even under intensive use.
Thanks to the use of polarisation, the lenses reduce glare, significantly improving image readability. Moreover, they enhance contrast and colour saturation, reducing eye fatigue during prolonged use in bright light.
Shaped frames, side shields
The model is equipped with a full frame type frame made from recycled polycarbonate. Thanks to modern production processes, a construction combining light weight with adequate rigidity and resistance to mechanical damage was achieved.
Side shields protect eyes from particles, dust, and other contaminants, increasing the level of protection in demanding environments. Shaped temples ensure a stable and comfortable fit of the glasses to the face, minimising the risk of them shifting during movement and enhancing wearing comfort.
Standards and certifications
- EN ISO 16321-1 - a European standard specifying requirements for protective glasses used in various work environments. Part of the broader ISO 16321 standard, which defines requirements for eye and face protection against mechanical and chemical hazards. These glasses meet standards and are certified for use in professional environments requiring high levels of eye protection.
- CE - a mark indicating that the product meets EU standards for safety, health, and environmental protection. The CE marking signifies that the manufacturer confirms the product's compliance with the relevant European Union directives.
Main features
- Lenses made from durable and lightweight polycarbonate
- Anti-Scratch coating on visors
- Full frame made from recycled polycarbonate
- Lightweight yet durable construction
- Ergonomically shaped temples
- Side shields
- Polarisation
MILITARY is the official distributor of Bolle.
The Bollé brand originates from the French town of Oyonnax, where it began operating in 1888, gradually gaining international recognition as a manufacturer of high-class optical and protective equipment. More than 130 years of history marks a period of intensive development, during which the company transformed from a local workshop into a modern industry leader. Its commitment to the principles of innovation and precision workmanship has made Bollé synonymous with quality both in the world of sport and in professional environments, where reliability and safety are crucial.
| Lens material | Polycarbonate |
|---|---|
| Frame material | Polycarbonate |
| Frame color | Black |
| Lens color | Gray |
| Mechanical resistance class | S |
| Polarized | Yes |
| UV filter | Yes |
| Dimness | Yes |
| Case included in set | No |
| Weight | 28 g |
| Gender | Men's |
| Main color | Smoke Grey |
| EAN | 3660740024512 |
| Manufacturer code | STK42N50E |
| Brand | Bolle |
| EAN |
Anti-Scratch coating increases the scratch resistance of the lenses and protects them from mechanical damage. Thanks to the coating, the glasses will retain their properties for longer, even with intensive use.
Reviews with photos
Review summary
Number of reviews: 5
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The glasses are very comfortable. They fit well on the head, don’t slip during movement, and remain comfortable even after prolonged use. The tint is appropriate, and they look ordinary, not like typical protective work glasses. I am really satisfied with them.
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They are lightweight, comfortable and fit well to the head. They do not cause pressure even with prolonged use, and their appearance is quite attractive for safety glasses. The lenses are clear, do not distort the image, and provide great wearing comfort. At this price, it's really an excellent choice.
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The glasses are very stylish and look good, and the tint is moderate—just what’s needed. The only thing that didn’t quite suit me was that the arms turned out to be a bit short for me. Even so, I rode my bike while wearing them, and the glasses didn’t slip off, but I still feel that the arms could be a little longer for a more comfortable fit.
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I bought this model for everyday use, needed simple but reliable glasses. The transparent frame looks tidy, without unnecessary aggression, and suits any outfit. The tinted lenses protect well from bright sunlight and my eyes don’t get tired in them, even after several hours of driving or walking outdoors. The plastic is strong, the assembly is high-quality—nothing creaks. They sit securely and do not fall off when bending over. Good, utilitarian glasses for a reasonable price.
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