The Goldilocks Principle of too hot — too cold — just right has found mention in a variety of disciplines, from developmental psychology to astronomy and even economics. But this year, it seems to have made its way to the world of fashion, with the soaring popularity of one-leg pants. The name of this style is quite self-explanatory, and it is all too easy to dismiss the trend as a passing fad.

Sofia Assab in a monochrome one-leg dress. PIC COURTESY/SARAHAPHRODITE On INSTAGRAM (right) The look in a casual flared denim avatar. PICS COURTESY/Zachariahfairfax ON INSTAGRAM