Blocks up to 99.999% of RF radiation -independently lab-tested to block 99.94% - 99.9996% of RF radiation (~34-54 dB across 30 MHz-10 GHz), including 5G, Wi-Fi & Bluetooth. This fabric contains up to 20 grams of pure silver (per square meter!)
Cap is 100% Cotton-for sustainability and comfort
EcoShield™ Bamboo EMF fabric liner- Oeko-Tex Standard 100 - certified by the manufacturer and crafted from Bamboo Lyocell. This is the most eco-friendly way to process bamboo, known for being renewable, low-impact, environmentally friendly and woven with pure silver for maximum shielding
Discreet flipped liner - bamboo faces your skin for softness and comfort, while silver stays hidden
Hook & Loop closure- for the perfect fit
Breathable, lightweight & antimicrobial liner - plus UPF 50+, perfect for everyday wear and sensitive skin
Unisex fit - medium to large heads, suitable for most adults and older kids (10+ years)
