Simplus Full Face Mask Fitpack with Headgear.The F&P Simplus incorporates three key components, the RollFit Seal, ErgoFit Headgear and Easy Frame, all designed to work in harmony.The one piece seal rolls back and forth on the bridge of the nose to minimize nose bridge pressure.Stretch and non-stretch headgear panels provide structure and support for optimal performance.This low-profile frame is stable, durable, small and ensures a clear line of sight.