Dual-density VN Foam Adjustment System: Tool-free front-to-back The Bauer IMS 5.0 Hockey Helmet with Cage offers high-end looks and features, at a generous price. The IMS 5.0 utilizes a very similar shell shape to the top of the line RE-AKT 100, providing excellent airflow through the abundance of ventilation ports. The two-piece shell also comes with a tool-less adjustment design, which is quite hard to find at this price point.