The SKLZ Speed Chute allows you to focus on acceleration and top-end speed through progressive resistance and Overspeed training. The Speed Chute features a quick-release buckle for that mid-stride, “shot-out-of-the-cannon” sensation. Features 137,16cm x 137,16cm chute Approx. 6,80kg-13,60kg of resistance Adjustable belt fits most Quick-release belt buckle