Good: The Slammer: Designed around a single movement, the ball slam.

Best: Rogue MK-14 D-balls: A Rogue exclusive. 14" D-Balls balls made for ball slams, virtually indestructible. Can also be used for other medicine ball exercises including wall ball and throws. Available in 14 and 20 pound weights.

Best: D-balls: The balls made for ball slams, virtually indestructible. Can also be used for other medicine ball exercises including wall ball and throws. Available in weights up to 100 pounds.