The Swiss Shield ULTIMA beanie is a double-layered hat designed to shield against high-frequency electromagnetic radiation. Thanks to the integrated copper and silver fibres, the high-quality material offers particularly high shielding performance.
Thanks to its thin and comfortable design, the beanie is ideal for wearing under a conventional winter hat or a helmet. Of course, it can also be worn on its own.
The beanie is available in three different sizes.
Material composition:
- 78% cotton
- 21% copper
- 1% silver
Shielding performance (double-layered):
- 68 dB at 1.0 GHz
- 57 dB at 3.5 GHz (5G)
- Shielding efficiency at 3.5 GHz: 99.9998%
Certification:
- OEKO-TEX® STANDARD 100 certified
