Lambs Faraday EMF Radiation-Proof T-Shirt The Faraday™ Tops feature a full coverage of WaveStopper™ Technology, our proprietary radiation-proof fabric-technology for regular garments. Crafted with pure silver fibers, creating a strong shield against EMFs Tested in and certified by leading independent laboratories Guaranteed to block over 99.7% of EMFs, including signals from cellphones, 4G, 5G WiFi, and Bluetooth. UPF-50+: blocks 99% of harmful UV rays (UVAs and UVBs) Antimicrobial & anti-odor Crewneck Short sleeve Logos at the back Condition: Pre-Owned Like New Color: Black Size: Extra Extra Large Approx. Measurements (flat lay): Underarm to Underarm: 23 inches Sleeves: 9.5 inches Length: 31 inches