New Schutt STX Stallion 600 Lacrosse Helmet Large Royal Silver w Chinstrap Marine Green Black 10 percent polyester Canopy Heather 10 percent polyester The Stallion U 550 features STX's C Channel technology along the bottom rail to maintain strength without adding weight This allows it to form better to the contours of your head The stallion 600 helmet features a comfort liner padding combined with TPU cushioning for optimal fit and impact absorption New TPU side pads have been added to the stallion 600 helmet for an improved fit and a higher level of comfort The stallion 600 shell is made of a polycarbonate material The surefit Air liner is Adjustable (pump included) and provides a more dynamic fit