Callus Performance started due to a need. They say necessity is the mother of invention, so from the painful and repeat occurrences of ripped bloody calluses due to intense workouts, Callus Performance was born in America. The humble little start up concept is now growing fast and many professional athletes, hardcore cross fit enthusiasts, Gymnasts, anyone rough on their hands can see the value of healthy hands. Callus Performance is sold globally, and all from a core concept and idea that met a painful need!