The TRX Slam Ball 8 lb / 3.6 kg is engineered for intense functional and strength training. Its sand-filled core eliminates bounce, allowing for powerful slams and throws to enhance strength and flexibility. The textured rubber exterior ensures a no-slip grip, making it ideal for dynamic workouts. Built to endure hard impacts, the TRX Slam Ball features a double-walled interior for durability and a 60-Durometer rubber for comfort during heavy use. Its robust design withstands slams without deforming, making it a reliable choice for both cardio and strength exercises. Perfect for gyms, personal trainers, and elite sports clubs, the TRX Slam Ball challenges your body on multiple levels. Unlike medicine balls, it excels in throwing exercises on static surfaces, providing a comprehensive workout tool for strength, cardio, and balance.