Hails from Arizona, Sierra Coyle is a professional rock climber who travels to world to compete in climbing competitions.
I can’t speak for the reasons why any of those other hundreds of thousands of people follow her, but my reason has always been pretty simple. She’s totally hot.
In her photos of herself, which she posts each day to her popular social-media outlets, she is usually smiling and happy, wearing a cute outfit and often doing something that vaguely resembles real rock climbing.