CCM Resistance 300 Senior Ice Hockey Helmet Cage is designed for CCM Resistance Hockey Helmets with innovative, scientifically proven R.E.D. system. Cage is made from thin flat wires, straight bar design to provide maximum visibility. It has a multi density chin cup, with antimicrobial fabric covering, antimicrobial treatment which is designed for comfort and hygiene. Easy to use - no need to remove the screws to adjust the sizing, simply loosen and slide the J-Clips into place, please note – dome screws not included.