This set features Tommy John’s iconic Second Skin fabric, a spandex-micro modal blend that’s stretchy, luxuriously soft, and never pills. If you don’t want the whole set, you can buy each ...

Whether a yogi, runner or spin queen, there’s plenty of clever integrated technology, second-skin fabrics and fitness aids on the market promising to amp up our exercise, so read on for nine of ...

and feels like second skin. It’s also stretchy and resistant to shrinking and piling, so it stays looking good as new longer than most fabrics. It’s about warmth. It’s made from synthetic ...