- - - title: "Aaron A-Shirt: Fabric Options" - - - An A-shirt is essentially underwear. And in that capacity, you want something that is comfortable, feels nice on your skin and breaths. Cotton with a hint of something stretchy, maybe rayon, or a fine knit. I suggest you go to the fabric store and feel around a bit. Si bien el estiramiento no es necesario, tiene sentido para la ropa interior. Dicho esto, usted puede hacer esto en un no-estiramiento, simplemente asegúrese de que se ajusta a lo normal o a lo normal.