Puma Ultra 2.4 FG/AG Silver Kids Football BootsBuilt for our younger players, the ULTRA 2. 4 FG AG is packed full of technology while remaining featherlight on the feet. Establishing a new era of fast, these boots will see you outpacing the opposition on the field. The MATRYXPRO upper is fully engineered from soft Polyester woven yarn to deliver lightweight support just where you need it, while the ultra fast TPU SpeedUnit outsole is inspired by running spike technology for explosive acceleration.