The Running chute and a excellent addition for any running training. Due to air resistance producing a backward drag force. The faster you go, the greater the drag force. Runners Parachutes helps runners with acceleration, improve muscle endurance, and improve the running speed in the ability to adjust the direction. Features: Fully functional unit includes parachute and belt with Velcro closure Mesh panels provide stability and reduce shifting Chute opens as running begins and attaches with an easy adjusting harness Quick release Velcro strap provides easy release into over-speed Easily folds down to fit in the carrying bag (included) Specifications: Color: Black Material: Polyester Package Content: 1 x Running chute 1 x Carrying bag