- The resistance rope is adjustable and features a padded shoulder harness. It is suitable for sled training, tire dragging, resistance workouts, and team sports speed and agility training. Quick Set Up and Easy to Use: The sled training system is quick to set up and easy to use. Simply wear the belt and adjust it to your preferred fit. Use it with stable anchored objects or with a partner for shared training sessions. Maximize Your Power: This resistance trainer is designed for individuals looking to improve speed, strength, and overall performance. It helps build lower body power, enhance sprint speed, and increase muscular endurance. One Size Fits Most: The sled harness belt is fully adjustable. Customize the fit based on your waist size for secure and comfortable use. Versatile Training: Ideal for athletes and active individuals, this sled harness supports personal and team exercises to strengthen legs, calves, back, chest, shoulders, and core muscles. Suitable for football players, runners, CrossFit enthusiasts, and basketball athletes.