Long Sleeve Eco T-shirt Email $155.00 SKU: B19TLSECH-L 40% Silver fibers, 50% Bamboo fiber, 10% Spandex. Soft and comfortable unisex, this design offers extra coverage. Colour Charcoal Size S M L XL Back to: Shop Ask a question Description Specification Care REDUCING SIGNALS SUSTAINABLY. This Premium Eco Long Sleeve Tee is made of a soft and comfortable fabric composed of silver and bamboo fibres and is designed to reduce signals like WiFi, Bluetooth, Cellphone radiation. Features a straight fit, V neck, Long Sleeves, unisex, serger stiching and tagless label for reversible wear. This item is reversible.Click here to find out more. Attenuation 99.99% Clean Cache Frequency Range 10MHz~10GHz Conductivity < 1 ohm / cm Suitable for: * * 5G: Good 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.