Ladies Undershirt Long Sleeve black organic Cotton with Silver Knit 30dB at 1GHz

With GOTS certified organic cotton and knitted-in silver yarn, this shirt protects against radio radiation from transmission towers (5G, 4G), WLAN, DECT phones, baby monitors, Bluetooth, etc. Ideal for everyday use as underwear but also as a T-shirt.
Very comfortable to wear - no difference in wearing comfort to normal underwear.
Shielding: 99.5% effective at 5G (21dB at 3.5GHz)
The measuring was carried out by Prof. Dipl.-Ing. Peter Pauli, Professor for High Frequency, Microwave and Radar Technology at the University of Munich.
Composition:
77% organic certified cotton
23% silver yarn (18% silver, 82% polyamide) - no nano silver
​Protection: 99.5% effective at 5G (21dB at 3.5GHz), 30dB at 1GHz
Brand WAVESAFE