Nike LEBRON XXI GS LeBron recently unveiled a shoe of such remarkable style that only the king of the court can pull off. The encore is even better. Thanks to the Air Zoom unit and soft cushioning, the LEBRON XXI GS gives you flexibility and performance without any excess weight slowing you down. They are ideal for driving to the basket, fast breaks and running around the court. They will help you stay in top form until the final buzzer. Get ready to play!   What's the difference between this LeBron shoe and the adult version? Nike opted for more flexibility in the front of the shoe at the expense of the Air units to create a shoe that fits kids perfectly and is ideal for improving their game.  Nike LEBRON XXI GS