Rubber Medicine Ball - 4 lb Swim4July long lasting silicone cap designed

long lasting silicone cap designed with a precision wrinkle-free fit for reduced drag and tear resistance

Designed for the harshest conditions

Multi-directional roll provides focused massage to target specific areas

Designed to be placed between the legs

More wind block

Rubber Medicine Ball - 4 lb Swim4July long lasting silicone cap designedMedicine balls build core trunk strength and joint integrity the key to most athletic moves. The body is a chain and is only as strong as its weakest link. The trunk is generally the weakest link. All sports trainers now recognize core strength training as the logical starting point for an effective training program. Joint integrity is the other vital benefit of Medicine Ball training. Often athletes over strengthen muscles at the expense of joint