Description: FasterThis speed training kit provides running resistance using speed training harness along with -prevent resistance strap to more muscle fibers for greater leg drive and stride length, giving you increased speed in less time QuickerWhen released from resistance, your body awareness is conditioned to generate greater ground feet strikes, key to generating the power needed to boost first-step quickness and enhance fast . Train EasilySimply wrap and fasten the Athlete Belt around your waist. Attach the Partner Strap and youre ready to train. MaterialThe speed training running Resistance Band made of nylon material, will comfortably fits young people and adult athletes, and when loosened you will be able to easily step in and out of the belt between uses. ApplicationWidely used for speed, strength, resistance and agility training. Simple and convenient, suitable for indoor or outdoor. Specification: Material: Nylon Size Chart: 2.2m/86.61inch Package Includes: 1 Running Resistance Band Note: Please allow slightly errors due to manual measurement and different monitors.