Celebs from Jennifer Lopez to Hailey Bieber and Kendall Jenner know a good pair of leather leggings is a wardrobe essential. And one pair of leggings in particular has thousands of five-star ratings ...

It's a debate as old as time: Should you wear leggings as pants? While there may be grounds to keep the athleisure staple inside the four walls of a gym or on the couch, its faux-leather counterpart ...