Silver fiber fabric emf protection
It can provide 99% high and low RF / EMF radiation attenuation in the range of 10MHz to 30GHz, reaching 85 db
Raw materials: wool+silver fiber fabric, non-deformable, soft, breathable, light-resistant; very suitable for outdoor activities in four seasons, such as skiing, camping, hiking, travel, etc. Suitable for men and women
Provide 360-degree full coverage to your entire top
Washing at room temperature, no machine washing, hand washing alone, dry in a cool place to avoid deformation after drying.