SKLZ is a global leader in developing and providing innovative training tools and expert-led programmes. Whether sport-specific, or just to get fit and into shape, there is a variety to match your needs.The Hopz vertical leap resistance trainer will help you develop explosive leg drive and power, strengthening key muscles in your lower body, to ultimately maximise your vertical leap ability. This key measure of explosiveness is critical in any sport that requires power below the waist.Features:*Resistance bands quickly attach and release to ankle straps and belt rings*Durable bands with resistance up to 40lbs*Ankle straps with built in shoe harness keeps resistance bands in place*Adjustable belt fits most waist sizes