Turn a sliver of daylight into the game-winning shot. This training aid helps you build up a strong jab step, and it also helps develop your defensive skills. It's sized to fit most athletes and can be worn wherever you play the game. Adjustable ankle straps that fit most athletes. Durable latex bands create resistance. Heavy-duty polypropylene cuff with added padding for comfort. Official training aid of the NBA. Designed for indoor and outdoor play.