Which fabric has a better cotton: spandex or polyester?

Though your question isn't very clear, I will still try to answer it. First, all 3 viz cotton, spandex and polyester are entirely different and none share common properties (in broad sense) individually. But yes, you can create different fabrics out of blending these 3 fibers: Cotton-Spandex (eg- Jeans). read more

Whereas cotton absorbs the sweat and it remains in the fabric it self. Therefore by using polyester you will get bit drier fabric that will make contact with the body. Spandex will just gives the streatchability to the fabric due to its high elasticity properties. read more