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Optrel IsoFit® Headgear Welding Headgear (5003.290)
Optrel IsoFit® is an innovative welding headgear designed to give an unprecedented level of comfort and ergonomics. It is a key upgrade for professionals who spend long hours in a helmet: it eliminates pressure points and reduces the load on the neck. Thanks to its unique three-dimensional adjustment, IsoFit® fits any head shape and keeps the helmet stable and well balanced in typical workshop conditions.
Key features
Individual 3D adjustment
Width, Length, Height
Two-layer construction
Stability and Fit
Broad compatibility
Panoramaxx, Sphere, Liteflip, Y-Series
Technology details
Three-Dimensional IsoFit® Adjustment
IsoFit® is the only system in the world with full adjustment in three planes: width, length and height. With a precise knob and an integrated cable system inspired by sports helmet technology, you can fit the flexible inner layer exactly to the individual shape of your head (from S to XL). The mechanism spreads the pressure evenly, removes painful pressure points and makes the headgear sit securely without squeezing. It is an investment in all-day comfort and in your health, as it significantly reduces the load on the neck muscles.
Two-Layer Construction for Perfect Stability
The headgear is built from two independent layers. The padded inner layer provides an exact, personalised fit to the welder's head. The rigid outer frame stays completely stable and holds the whole helmet firmly in place. As a result, even in extreme awkward positions or with sudden head movements, the helmet does not shift or drop, and the filter stays in your line of sight. With this technology you gain certainty and precision, because your field of view stays constant and safe.
Hygienic Tricot Pads
Comfort during long working hours also depends on details such as moisture management and hygiene. The IsoFit® headgear comes with a multi-part set of replaceable pads made of advanced Tricot fabric. This soft polyester material absorbs sweat well, keeps your skin dry and helps prevent irritation. The pads are easy to remove, so you can wash them regularly or replace them with new ones and keep personal hygiene at a high standard. It is a simple but important investment in comfort and freshness throughout the life of the product.
Technical specification: welding helmet
| Feature | Value |
|---|---|
| Catalogue number | 5003.290 |
| Head circumference adjustment | Yes, for sizes S to XL (maximum circumference 62 cm) |
| 3D adjustment | Yes (width, length, height) |
| Compatibility | Optrel Panoramaxx, Sphere, Liteflip and Y-Series helmets |
| Materials | High-quality plastic, cable adjustment system, replaceable Tricot pads |
| Colour | Black with black adjustment knobs |
What's in the box?
- Complete Optrel IsoFit® welding headgear (cat. no. 5003.290)
- Integrated, replaceable set of Tricot comfort pads
Main applications
- Upgrading comfort in compatible Optrel helmets
- Intensive, long welding work in industry and workshops
- Work in awkward positions that requires maximum helmet stability
- Applications where good balance and less neck strain are essential
About Optrel
Optrel is a Swiss innovation leader in welding protection. When you choose Optrel products, you invest in decades of engineering experience, uncompromising build quality and technology that keeps setting the highest standards of safety and comfort worldwide. Trust a brand that stands for professionalism.

