The Offensive Mastery boxing class, held at Gloveworx gym in the World Trade Center and hosted by BoxWithSimmy, has quickly become the hottest trending five-stars boxing class on ClassPass in New York City. Unlike traditional high-intensity interval training (HIIT) boxing classes, Offensive Mastery is said to be offering a unique blend of skill refinement, fitness improvement, and sheer enjoyment in smaller groups. At the core of Offensive Mastery is the art of perfecting pun