FABRIC: Modal;Spandex Functions: 1. Magnetic particles release energy. 2. Improved sleep quality. 3. Enhance the function of immune system, strengthen the body resistance. 4. Improve the body's oxygen content, supplement the body's mineral elements. Features: Inside has a sexy hole ! Mesh Crotch ! Item Type:Boxers Material: 94%Modal 6%Spandex Fabric Style: Modal Waist Type: Low Waist Design Features: Magnetic Particles Season: Spring, Summer, Autumn, Winter Color: Red, Black, Blue Tag Size: L, XL, 2XL, 3XL, 4XLPackage included: 1*Underwear