Great-value slam ball to sweat away those calories. Having evolved from the medicine ball, this tough rubber slam ball is specifically designed for throwing and slamming exercises, offering a great addition to any HIIT workout. Features Great for circuit training, functional strength, boosting explosive power, improving co-ordination. This versatility makes it an ever-present at boot camps and for CrossFit athletes Updated, ultra-durable design comprises a thicker, stronger outer layer The easy grip technology on the outside of the ball makes it ideal for slamming, catching and throwing Easy to store Available in various weights from 5kg-12kg