95% Bamboo Rayon, 5% Spandex. Dry and breathable, enjoy seamless wearing. Made from Bamboo Rayon, its unique pore structure has better air permeability with constant temperature, getting extra comfort. Make the skin feel relaxed-fit. The waistband and bottom feel relaxed by adopting seamless fitting tech, bringing the ultimate comfort without any friction with no use of stitch. 3D expansion design enjoys a more comfortable space. Increased with Pouch design extension, will provide better wrapping, avoid pressure, adjustment and riding up, keep your man-part in place in ultra freedom. 4-needle 6-thread tech for ultra comfort. Stitching threadless used by adopting innovative 4-needle 6-thread tech, to reduce the friction and pressure on the skin. Stretch waistband, relaxation brings more comfort. The use of high elastic soft waistband, free from pressure and tightness. DAMSKL220020202M