This Parachute for running training provides excellent resistance training for improved speed, stamina, strength, and acceleration Chute releases while running for overspeed training. Made of high quality parachute cloth, Built-in mesh panels keep strings from tangling and helps stabilize the chute during training. Whether you’re in track and field, football, soccer, basketball, or any other sport, your speed will improve with the use of this resistance training chute, Best for long-distance running.