For the first time a chair-bench combination has been created to provide a simple and effective exercise designed to deliver the most intense workout for abs legs and core. The X3S Bench is based on the best Cross Conditioning MMA fighter and pro boxer training requirements this simple machine delivers the best design for a complete abs legs and core workout. Incorporate dumbbells or medicine balls to increase the intensity and train your entire body. The X3S Bench is designed for portability easy storage and extreme sturdiness this hybrid full-body system provides maximum results in minimal space.