Yes, it causes a positive charge of energy in your penis while the skin around your penis has a negative charge. What that means is, that it will be harder to get an erection (boner). I suggest you switch to under wear that doesn't have that material in it.
where the cotton percentage is more than 50% in the yarn (cotton polyester) than it is termed as cotton polyester and where the polyester percentage is more than 50% in the yarn ( polyester cotton) it is termed as polyester cotton.
Polyester is a material that fabric is fabricated from. Polyester can be knitted into fabrics that will stretch. Polyester also can be woven into fabrics that will not stretch. Polyester can be blended with other materials and fabricated into fabrics that will and will not stretch.
Polyester Georgette is fabric used to make clothing. Georgette is a shear lightweight crepe similar to chiffon. It is woven from yarns made of silk, rayon, or polyester threads. When it is made from polyester, it is known as Polyester Georgette.