Developed to help football linemen develop explosive power from their stance, the Hadar Drag Sled is a professional tool for getting the lower body into game shape. It features heavy duty powder coated steel construction with a 10-inch steel post for adding standard Olympic Weights. The standard sled weighs 50 lbs. and features 3-inch tubular steel runners. The CV1HX vest has pockets for up to 20 lbs of extra weight. The Hadar HXDRAG sled and CV1HX sled vest combine the benefits of overweight training with a leg drive sled.