The front side, upper side, inner patch and fabric are all made of custom-made high-end Lycra germanium fabric. High-tech lycra fabric: excellent elastic recovery performance, good elasticity of spandex, and it is not tight when worn on the body. Underwear containing germanium fabric has health care function, releases far infrared rays, promotes blood circulation, activates cells and enhances immunity. Release negative ions, relieve fatigue and promote metabolism. Promote blood circulation and improve the detoxification function of human body. Antibacterial and deodorizing, eliminating toxins in the body, germanium mesh cloth has strong skin permeability, stronger moisture absorption and perspiration than ordinary fabrics, strong ductility, no wrinkling, informal fit, fully embodying perfect figure beauty and enjoying lightness at all times.