14-inch diameter, hard rubber textured shell

Ever wanted to play around with Atlas stones and do platform lifts, shoulder carries, and bear-hug walks? Well, you're gonna need something besides that 10-pound medball your gym has to offer... or you're going to have to buy a mold and a whole lot of concrete mix. Luckily, Titan Fitness makes some heavy-ass balls. While most medballs are designed for velocity/power work, these bad boys are made for strongman-type workouts and go up to 150 pounds. And forget about those "do not slam" warnings on most cheapo balls. These are built to take it.

– Chris Shugart