Emf Shielding Baseball Hat Size:L Headsets are available in four

Headsets are available in four colors: black

Tested and made in Canada

the chlorine concentration in tap water is high

Heat regulating

Design of the headphone air tubes is such that provides mobility in any situation

Emf Shielding Baseball Hat Size:L Headsets are available in fourPerfect 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