Tank Top Email $95.00 SKU: B19TSTGY-L 42% Silver fibers, 53% Cotton, 5% Nylon This soft, silky fabric offers comfort and protection for microwave frequencies. Colour Gray Size S M L Back to: Shop Ask a question With shipment Tracked Shipping for $8.60 Description Specification Care SHIELDED CONNECTED. This reversible undershirt is soft and flexible which offers comfort and protection against microwave frequencies. Features a straight fit, unisex with serger joins and finish.Make this part of your protective 5G EMF clothing ensemble. This item is reversible.Click here to find out more. Attenuation 99.99% Frequency Range 10MHz~10GHz Conductivity < 1 ohm / cm Suitable for: * * 5G: 40GHz Attenuated to 30dBs. 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.