ALUMINUM FOIL-CONTAINING HAT FOR SHIELDING ELECTROMAGNETIC WAVE

摘要

PROBLEM TO BE SOLVED: To provide a hat with functions to protect the head from an electromagnetic wave harmful to the human body and localizing in the air. SOLUTION: This hat is capable of shielding the head from the electromagnetic wave harmful to the human body and localizing in the air by inserting aluminum foil between an outer wall part and an inner wall part of the hat body.