The SuperMono design uses the shell as a stress member to manage the energy from a frontal impact and also shifts the weight load back to make a superior balanced helmet. The new Pro7 is the only helmet in lacrosse with the Seven Technology liner system. The system laterally displaces energy from a direct impact, reducing the effects of G forces, a major cause of concussions. he ProFit sizing system makes the Pro7 one size fits most and allows for easy adjustments between XS and XL. The new Tungsten mask design opens up the view of the field.