Functional exercise balls are one of the equipment components in the preparations of athletes and recreational enthusiasts. Whether performed individually or in groups, at home or in the gym, their use significantly contributes to the development of motor skills, stability, strength, and explosiveness. Today, it's hard to imagine functional training or crossfit workouts without the use of medicine balls (with and without handles), slams, tornado balls, or wall balls. Choose from a variety of weights and sizes based on your level of physical readiness or workout needs.