Photo: Y7 Yoga Studio (c/o Azione PR) Infrared saunas are taking among the celebrity-set, but how do they work? Harper's Bazaar beauty director Alexandra Parnass joins Lee Hawkins to discuss.

Length: 71” or 79" If you've taken a class at a Y7 Studio, you understand that the studio knows a thing or two about hot yoga. So, the fact that they specifically use Manduka mats at their ...