Emf Shielding Baseball Hat Size:L Tested and made in Canada

Tested and made in Canada

Inside layer: 42% Silver

Heat regulating

RadBlocker cell phone radiation protection case is a simple solution for everyday use

WiFi and Bluetooth

Emf Shielding Baseball Hat Size:L Tested and made in CanadaPerfect and complete emf protection for your head and your brain. Quality made in Canada. Over 90% emf shielding. Specifications: 47dB average attenuation (99. 999 % shielding) Internal fabric certified Oeko Test Class 100 and 1000 Raw materials: 89% Cotton, 8 % Copper, 2% silver, 1% Lycra 6% Panels, Sloped Front, Coolmax Elastic Sweatband Small: 7 1 8 (56. 8 cm) Medium: 7 1 4 (57. 7 cm) Large: 7 3 8 (58. 7 cm) X large: 7 1 2 (59. 6 cm) XX large 7 5 8