Power Systems Speed Harness Kit Strength Speed Training Speed Harness with shoulder harnesses- fits 30-42 inch waist, 160 pounds or less 20 feet of fully-sheathed Slastix MEDIUM resistance tubing (stretches up to 60 feet) Running in tandem, the front athlete receives resistance training while rear athlete receives over-speed training; either athlete to easily change direction of the pull Incudes: 2 shoulder harnesses, 1 medium resistance tube, and carry bag Excellent resistance exercise for speed, agility, strength, power, running, football, basketball, baseball, soccer and all other athletic or fitness training