Nike Phantom 6 Low Academy IC HQ2035 400 Kids' Football Boots. These Nike kids' indoor training boots from the Shadow Pack collection are designed for play on indoor and asphalt surfaces. They feature a soft synthetic upper, a grippy texture, classic lacing, and a cushioned sockliner. They feature a grippy rubber outsole with a non-marking finish. Loops are located on the tongue and heel. The shoe's construction provides a more natural fit, especially around the toe.