Cascade M11 Messier Project Hockey Helmet The revolutionary new M11 helmet - envisioned by Mark Messier and engineered by the head protection experts at Cascade Sports - brings together high-performance fit & feel demanded by pros and cutting-edge technology for protection against head injury and concussionMono 90 Shell with 20 cooling vents uses the design as a vital stress member upon impactPro Fit System: Dynamic contour system that allows easy, no-tool, custom micro-adjustments that eliminate pressure pointsSeven Technology Liner System: Multiple Impact technology that laterally displaces energy absorbed from a direct impactMade in the U.S.AHelmet is HECC, and CSA certifiedCustom Colors Available - Call to Order.Please Note: Custom Helmets are not returnableCascade M11 Helmet Review on the HockeyGiant.com BlogCascade M11 - The Messier Project"The Cascade M11 helmet is a new evolution in head protection: high performance, high comfort, and high protection."Mono 90 Shell DesignLight, streamlined design90/10 configuration is stronger, smoother, and saferReduces direct energy transfer20 vents for maximum airflowProFit Fit SystemDynamic contour systemEliminates pressure pointsFine tune fit on the flyMicro adjustmentsSeven TechnologyMaximum compression to absorb impactTotal reset for multiple impact protectionTwo helmets in the space of one