Football Nike Strike Team FZ7558 100 Football Nike Strike Team FZ7558 100 with weight 350 g is the ideal training ball for younger playersó in. Thanks to the use in production of lightweight material the ball is particularly suitable for children and young people. 12 panels machine-sewn. Rubber bladder for long-term maintenance of pressure and shape. More predictable flight thanks to Aerow Trac technology, which consists of using a mesh of aerodynamically arranged grooves on the ball surface . Textured coating increases ball feel. Training ball for natural turf.