The RE-AKT 75™ helmet combines SEVEN+ technology, XRD® Extreme Impact Protection foam and a suspended liner system for greater comfort and enhanced protection against even the toughest impacts. Experts state that concussions are mainly due to acceleration or deceleration of the brain, and helmets may not prevent concussions caused by these forces. FIT FOR SERIOUS PLAY A suspended liner system and varying densities of soft foam allow for enhanced fit and maximum comfort so you can focus on the game. PROTECTION FROM ALL SIDES Multi-Density Foam Liner with XRD® Extreme Impact Protection foam manages impacts across all energy levels. HEAVY-DUTY PROTECTION. LIGHTWEIGHT COMFORT. SEVEN+ technology features patented structural foam cylinders that manage repeated high- and low-energy impacts.