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Optrel IsoFit® Headgear for the Helix Series (5003.293)
Genuine Optrel IsoFit® headgear for Helix series welding helmets. This advanced headgear was designed as a direct replacement or upgrade to give the highest level of ergonomics, stability and comfort, even during long, uninterrupted work cycles. When you invest in IsoFit®, you invest in your health and keep fatigue and neck strain to an absolute minimum.
Key features
Three-dimensional adjustment (3D)
Full fit
Compatibility
Designed for the Helix series
Replaceable pads
Tricot fabric
Technology details
Three-Dimensional Adjustment and a Perfect Fit
IsoFit® is the only headgear design in the world with full three-dimensional adjustment, giving an exact fit to any head shape in width, length and height. At its heart is a unique two-layer frame integrated with a precise cable system operated by a knob. The flexible inner layer fits closely to the head, while the rigid outer frame stays completely stable and keeps the helmet in the correct position. It is an investment in outstanding stability and comfort that removes the need to keep adjusting the helmet while you work.
Good Balance and Less Strain on the Neck
The advanced IsoFit® headgear is optimised to spread the weight of the helmet evenly over the whole head. Special stabilisers at the forehead and the back of the head, combined with the precise adjustment system, eliminate pressure points and significantly reduce the forces acting on the neck muscles. This is crucial during long work, especially in awkward positions, where conventional headgear quickly causes fatigue and discomfort. Investing in this system actively protects your spine and increases productivity by reducing fatigue.
Hygiene and Comfort with Replaceable Pads
The IsoFit® headgear comes with a complete set of comfortable multi-part pads made of advanced Tricot fabric. The material is pleasant to the touch and wicks moisture away effectively, which matters a great deal in hot working conditions. A key advantage is that the whole pad set can be replaced quickly and easily (available as accessory 5004.295). This lets you wash or replace the pads regularly and keep personal hygiene at the highest level. It is a simple solution that keeps your working environment clean and comfortable every day.
Technical specification
| Feature | Value |
|---|---|
| Catalogue number | 5003.293 |
| Compatibility | Designed for all Optrel Helix series welding helmets |
| Adjustment range | Fits head circumferences from S to XL (maximum 62 cm) |
| Adjustment system | Three-dimensional (3D) with cable system and knob |
| Pad material | Replaceable multi-part pads made of Tricot fabric and PU foam |
| Colour | Black with black adjustment knobs |
What's in the box?
- Complete Optrel IsoFit® headgear for the Helix series (cat. no. 5003.293)
- Factory-fitted set of Tricot comfort pads
Main applications
- Upgrading or replacing worn headgear in Optrel Helix series welding helmets.
- Significantly more comfort and better ergonomics during long professional welding work.
- Better helmet stability and balance, especially when welding in awkward positions and confined spaces.
About Optrel
Optrel is a Swiss innovation leader in welding protection. When you choose genuine Optrel accessories, you invest in decades of engineering experience, uncompromising build quality and technology that sets safety and ergonomics standards worldwide. Trust the brand that the best professionals trust.

