Foldover Beanie Pro Email $58.00 SKU: B20HFBPEL-M 88% Silver fibre, 12% Spandex. This beanie is for maximum shielding. Simple as that. Colour Electrum Size M Back to: Shop Ask a question With shipment Tracked Shipping for $8.60 Description Specification Care MAXING ATTITUDE WITH SHIELDING. Take the urban jungle. This doubled layered foldover beanie is crafted and designed for maximum shielding, and has a soft satin textured finish with a fold that can be easily adjusted to the perfect fit.It offers perfect protection for signals like 5GMake this part of your protective 5G EMF clothing ensemble. Attenuation 99.999% Frequency Range 10MHz~40GHz Conductivity < 1 ohm / cm Suitable for: * * 5G: Attenuation tested up to 40GHz. What does all this mean? Hand wash - up to 30º C / 86º F Do not bleach Drip dry Dry in shade Do not iron Do not dry clean Click here for more on fabric care.