From the manufacturer

Fox will see your traditional dirt jump lid and raise you the Flight. It ups the ante on performance, comfort, and breathability with segmented EPS design, eight large Big Bore vents, and a thin ABS shell. The multi-density foam helps to disperse and reduce crash forces, keeping your melon in one piece.

Features

• Dirt jump and trail specific functionality
• M9 segmented EPS design for improved fit, flexibility and comfort
• Thin ABS shell for reduced weight
• 8 large Big Bore vents for increased airflow
• Heat sealed comfort liner for a clean look and feel