• Heavy Duty Slam Balls Fitness Slam Balls Durable Slam Balls High-Impact Slam Balls Heavy Duty Workout Balls Slam Balls for Strength Training Heavy Duty Exercise Balls CrossFit Slam Balls Slam Balls for Home Gym Power Slam Balls Slam Balls for Conditioning Impact Resistant Slam Balls Fitness Training Slam Balls Slam Balls for Core Workout Rubber Slam Balls Weighted Slam Balls Functional Training Slam Balls Slam Balls for Muscle Building Durable Fitness Balls High-Density Slam Balls 10KG2
  • Heavy Duty Slam Balls Fitness Slam Balls Durable Slam Balls High-Impact Slam Balls Heavy Duty Workout Balls Slam Balls for Strength Training Heavy Duty Exercise Balls CrossFit Slam Balls Slam Balls for Home Gym Power Slam Balls Slam Balls for Conditioning Impact Resistant Slam Balls Fitness Training Slam Balls Slam Balls for Core Workout Rubber Slam Balls Weighted Slam Balls Functional Training Slam Balls Slam Balls for Muscle Building Durable Fitness Balls High-Density Slam Balls
  • Heavy Duty Slam Balls Fitness Slam Balls Durable Slam Balls High-Impact Slam Balls Heavy Duty Workout Balls Slam Balls for Strength Training Heavy Duty Exercise Balls CrossFit Slam Balls Slam Balls for Home Gym Power Slam Balls Slam Balls for Conditioning Impact Resistant Slam Balls Fitness Training Slam Balls Slam Balls for Core Workout Rubber Slam Balls Weighted Slam Balls Functional Training Slam Balls Slam Balls for Muscle Building Durable Fitness Balls High-Density Slam Balls 12KG2
  • Heavy Duty Slam Balls Fitness Slam Balls Durable Slam Balls High-Impact Slam Balls Heavy Duty Workout Balls Slam Balls for Strength Training Heavy Duty Exercise Balls CrossFit Slam Balls Slam Balls for Home Gym Power Slam Balls Slam Balls for Conditioning Impact Resistant Slam Balls Fitness Training Slam Balls Slam Balls for Core Workout Rubber Slam Balls Weighted Slam Balls Functional Training Slam Balls Slam Balls for Muscle Building Durable Fitness Balls High-Density Slam Balls
  • Heavy Duty Slam Balls Fitness Slam Balls Durable Slam Balls High-Impact Slam Balls Heavy Duty Workout Balls Slam Balls for Strength Training Heavy Duty Exercise Balls CrossFit Slam Balls Slam Balls for Home Gym Power Slam Balls Slam Balls for Conditioning Impact Resistant Slam Balls Fitness Training Slam Balls Slam Balls for Core Workout Rubber Slam Balls Weighted Slam Balls Functional Training Slam Balls Slam Balls for Muscle Building Durable Fitness Balls High-Density Slam Balls 15KG2
  • Heavy Duty Slam Balls Fitness Slam Balls Durable Slam Balls High-Impact Slam Balls Heavy Duty Workout Balls Slam Balls for Strength Training Heavy Duty Exercise Balls CrossFit Slam Balls Slam Balls for Home Gym Power Slam Balls Slam Balls for Conditioning Impact Resistant Slam Balls Fitness Training Slam Balls Slam Balls for Core Workout Rubber Slam Balls Weighted Slam Balls Functional Training Slam Balls Slam Balls for Muscle Building Durable Fitness Balls High-Density Slam Balls
  • Heavy Duty Slam Balls Fitness Slam Balls Durable Slam Balls High-Impact Slam Balls Heavy Duty Workout Balls Slam Balls for Strength Training Heavy Duty Exercise Balls CrossFit Slam Balls Slam Balls for Home Gym Power Slam Balls Slam Balls for Conditioning Impact Resistant Slam Balls Fitness Training Slam Balls Slam Balls for Core Workout Rubber Slam Balls Weighted Slam Balls Functional Training Slam Balls Slam Balls for Muscle Building Durable Fitness Balls High-Density Slam Balls 20KG2
  • Heavy Duty Slam Balls Fitness Slam Balls Durable Slam Balls High-Impact Slam Balls Heavy Duty Workout Balls Slam Balls for Strength Training Heavy Duty Exercise Balls CrossFit Slam Balls Slam Balls for Home Gym Power Slam Balls Slam Balls for Conditioning Impact Resistant Slam Balls Fitness Training Slam Balls Slam Balls for Core Workout Rubber Slam Balls Weighted Slam Balls Functional Training Slam Balls Slam Balls for Muscle Building Durable Fitness Balls High-Density Slam Balls
  • Heavy Duty Slam Balls Fitness Slam Balls Durable Slam Balls High-Impact Slam Balls Heavy Duty Workout Balls Slam Balls for Strength Training Heavy Duty Exercise Balls CrossFit Slam Balls Slam Balls for Home Gym Power Slam Balls Slam Balls for Conditioning Impact Resistant Slam Balls Fitness Training Slam Balls Slam Balls for Core Workout Rubber Slam Balls Weighted Slam Balls Functional Training Slam Balls Slam Balls for Muscle Building Durable Fitness Balls High-Density Slam Balls 3KG2
  • Heavy Duty Slam Balls Fitness Slam Balls Durable Slam Balls High-Impact Slam Balls Heavy Duty Workout Balls Slam Balls for Strength Training Heavy Duty Exercise Balls CrossFit Slam Balls Slam Balls for Home Gym Power Slam Balls Slam Balls for Conditioning Impact Resistant Slam Balls Fitness Training Slam Balls Slam Balls for Core Workout Rubber Slam Balls Weighted Slam Balls Functional Training Slam Balls Slam Balls for Muscle Building Durable Fitness Balls High-Density Slam Balls
  • Heavy Duty Slam Balls Fitness Slam Balls Durable Slam Balls High-Impact Slam Balls Heavy Duty Workout Balls Slam Balls for Strength Training Heavy Duty Exercise Balls CrossFit Slam Balls Slam Balls for Home Gym Power Slam Balls Slam Balls for Conditioning Impact Resistant Slam Balls Fitness Training Slam Balls Slam Balls for Core Workout Rubber Slam Balls Weighted Slam Balls Functional Training Slam Balls Slam Balls for Muscle Building Durable Fitness Balls High-Density Slam Balls 5KG2
  • Heavy Duty Slam Balls Fitness Slam Balls Durable Slam Balls High-Impact Slam Balls Heavy Duty Workout Balls Slam Balls for Strength Training Heavy Duty Exercise Balls CrossFit Slam Balls Slam Balls for Home Gym Power Slam Balls Slam Balls for Conditioning Impact Resistant Slam Balls Fitness Training Slam Balls Slam Balls for Core Workout Rubber Slam Balls Weighted Slam Balls Functional Training Slam Balls Slam Balls for Muscle Building Durable Fitness Balls High-Density Slam Balls
  • Heavy Duty Slam Balls Fitness Slam Balls Durable Slam Balls High-Impact Slam Balls Heavy Duty Workout Balls Slam Balls for Strength Training Heavy Duty Exercise Balls CrossFit Slam Balls Slam Balls for Home Gym Power Slam Balls Slam Balls for Conditioning Impact Resistant Slam Balls Fitness Training Slam Balls Slam Balls for Core Workout Rubber Slam Balls Weighted Slam Balls Functional Training Slam Balls Slam Balls for Muscle Building Durable Fitness Balls High-Density Slam Balls 8KG2
  • Heavy Duty Slam Balls Fitness Slam Balls Durable Slam Balls High-Impact Slam Balls Heavy Duty Workout Balls Slam Balls for Strength Training Heavy Duty Exercise Balls CrossFit Slam Balls Slam Balls for Home Gym Power Slam Balls Slam Balls for Conditioning Impact Resistant Slam Balls Fitness Training Slam Balls Slam Balls for Core Workout Rubber Slam Balls Weighted Slam Balls Functional Training Slam Balls Slam Balls for Muscle Building Durable Fitness Balls High-Density Slam Balls
  • Heavy Duty Slam Balls Fitness Slam Balls Durable Slam Balls High-Impact Slam Balls Heavy Duty Workout Balls Slam Balls for Strength Training Heavy Duty Exercise Balls CrossFit Slam Balls Slam Balls for Home Gym Power Slam Balls Slam Balls for Conditioning Impact Resistant Slam Balls Fitness Training Slam Balls Slam Balls for Core Workout Rubber Slam Balls Weighted Slam Balls Functional Training Slam Balls Slam Balls for Muscle Building Durable Fitness Balls High-Density Slam Balls 10KG
  • Heavy Duty Slam Balls Fitness Slam Balls Durable Slam Balls High-Impact Slam Balls Heavy Duty Workout Balls Slam Balls for Strength Training Heavy Duty Exercise Balls CrossFit Slam Balls Slam Balls for Home Gym Power Slam Balls Slam Balls for Conditioning Impact Resistant Slam Balls Fitness Training Slam Balls Slam Balls for Core Workout Rubber Slam Balls Weighted Slam Balls Functional Training Slam Balls Slam Balls for Muscle Building Durable Fitness Balls High-Density Slam Balls 12KG
  • Heavy Duty Slam Balls Fitness Slam Balls Durable Slam Balls High-Impact Slam Balls Heavy Duty Workout Balls Slam Balls for Strength Training Heavy Duty Exercise Balls CrossFit Slam Balls Slam Balls for Home Gym Power Slam Balls Slam Balls for Conditioning Impact Resistant Slam Balls Fitness Training Slam Balls Slam Balls for Core Workout Rubber Slam Balls Weighted Slam Balls Functional Training Slam Balls Slam Balls for Muscle Building Durable Fitness Balls High-Density Slam Balls 15KG
  • Heavy Duty Slam Balls Fitness Slam Balls Durable Slam Balls High-Impact Slam Balls Heavy Duty Workout Balls Slam Balls for Strength Training Heavy Duty Exercise Balls CrossFit Slam Balls Slam Balls for Home Gym Power Slam Balls Slam Balls for Conditioning Impact Resistant Slam Balls Fitness Training Slam Balls Slam Balls for Core Workout Rubber Slam Balls Weighted Slam Balls Functional Training Slam Balls Slam Balls for Muscle Building Durable Fitness Balls High-Density Slam Balls 20KG
  • Heavy Duty Slam Balls Fitness Slam Balls Durable Slam Balls High-Impact Slam Balls Heavy Duty Workout Balls Slam Balls for Strength Training Heavy Duty Exercise Balls CrossFit Slam Balls Slam Balls for Home Gym Power Slam Balls Slam Balls for Conditioning Impact Resistant Slam Balls Fitness Training Slam Balls Slam Balls for Core Workout Rubber Slam Balls Weighted Slam Balls Functional Training Slam Balls Slam Balls for Muscle Building Durable Fitness Balls High-Density Slam Balls 3KG
  • Heavy Duty Slam Balls Fitness Slam Balls Durable Slam Balls High-Impact Slam Balls Heavy Duty Workout Balls Slam Balls for Strength Training Heavy Duty Exercise Balls CrossFit Slam Balls Slam Balls for Home Gym Power Slam Balls Slam Balls for Conditioning Impact Resistant Slam Balls Fitness Training Slam Balls Slam Balls for Core Workout Rubber Slam Balls Weighted Slam Balls Functional Training Slam Balls Slam Balls for Muscle Building Durable Fitness Balls High-Density Slam Balls 5KG
  • Heavy Duty Slam Balls Fitness Slam Balls Durable Slam Balls High-Impact Slam Balls Heavy Duty Workout Balls Slam Balls for Strength Training Heavy Duty Exercise Balls CrossFit Slam Balls Slam Balls for Home Gym Power Slam Balls Slam Balls for Conditioning Impact Resistant Slam Balls Fitness Training Slam Balls Slam Balls for Core Workout Rubber Slam Balls Weighted Slam Balls Functional Training Slam Balls Slam Balls for Muscle Building Durable Fitness Balls High-Density Slam Balls 8KG
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Northern Heavy Duty Fitness Slam Balls (3kg - 20kg)

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  • Heavy-duty, impact-resistant construction for intense slam training
  • Textured grip for secure handling during fast, dynamic movements
  • Dead-bounce design for safer, controlled functional workouts

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Reinforced Shell for Maximum Impact - Designed to handle repeated high-impact use without splitting or cracking.

Versatile Training Tool - Great for slams, throws, core work, and functional fitness routines.

Available in Multiple Weights - Choose the perfect resistance level for your strength and conditioning goals.

Strength That Hits Back

Northern Heavy Duty Fitness Slam Balls are engineered to take your most powerful slams without compromise. With a reinforced outer shell and balanced internal weighting, these balls are designed for high-intensity strength and conditioning sessions. Ideal for building explosive power and full-body endurance, they deliver reliability and control rep after rep.

Built for Impact. Designed for Performance

From functional fitness to HIIT circuits, Northern Slam Balls bring durability and precision to every workout. Their tough, impact-resistant construction withstands repeated use, while the textured grip ensures confident handling during fast, dynamic movements. Available in 3kg–20kg, they’re the perfect addition to any training space.

Unleash Your Power with Every Slam

Push your limits with Northern Heavy Duty Fitness Slam Balls. The dead-bounce design keeps the ball grounded, helping you maintain momentum and train safely at high intensity. Whether you’re targeting core strength, conditioning, or explosive force, these slam balls are built to elevate your performance and endure the toughest sessions.