I'm waiting for the day when we only need one shirt. Something light which will cool you in summer, heat you in winter, never get dirty, absorb odours and sweat, maybe even gently massage and exfoliate your skin as you walk. Needless to say it will contain solar panels, change colour on demand. I imagine we've already seen such garments in pictures depicting aliens. You know, those silver jumpsuit things. Those might not look super stylish, but if they do all of the above, who really cares?
For now, I found this shirt. It's lacking a few features but after paying for it I think I'd feel pretty super.