Develop sprint speed and acceleration with the weighted HART Pro Speed Sack.

Adjustable waist belt gives a secure fit and allows for the user to run with their regular technique while providing continual resistance. The Pro Speed Sack is more versatile than a metal sled as runners can adjust to a lighter weight to suit all levels of speed training.

• Non-marking sack can be used on grass or most indoor surfaces.
• Internal handle can be used to perform lower body exercises.
• 10cm wide waist belt
• 3m lead and speed sack.
• Includes 6 weight bags
• Bags are supplied empty and we recommend using standard dry pit sand for filling.