Explode into a high intensity workout with the Cortex Wall Ball 28kg Complete Set. Our wall balls are constructed with a soft PU leather shell that is comfortable to use, even when an intense workout makes your palms sweaty. You can trust in the durability of our design; our quality stitching will see you through use after use. Even weight distribution throughout our balls makes throwing and catching easier and safer. With our complete set of 4 wall balls from 4kg - 10kg, you're sure to find the right challenge for any workout.