Because the top layer of the skin becomes softer and more permeable when it’s exposed to the steam, it’s easy for hydration to come in at first. But you can easily lose hydration from over-steaming, too, through a process called transepidermal water loss, Dr. Robinson explains. Basically, the skin’s barrier becomes “leakier” because it’s softer,…

When it comes to socks, noticing them usually means something is wrong, like bunching, chafing, or lack of compression. The best socks for working out should go unnoticed, quietly supporting your feet while keeping them dry as you work towards your next personal record. When looking for a pair of socks, you might not put…