Bauer 9900 Hockey Helmet Combo meets a selection of different features and is first Bauer Helmet with PORON XRD Extreme Impact protection technology, which is exclusive to Bauer Hockey. Inovative FXPP liner is located in main zones with high impact, FEP foam used instead of traditional EPP foam allows to dissipate 20% less energy during impact. 9900 has an oval face mask, with optical wire configuration.