Protective helmet with vertically adjustable headband

A protective helmet, comprising:

• a substantially rigid outer shell defining a bottom opening and an internal cavity for receiving a wearer's head;
• an inner ring positioned substantially within and secured to said outer shell, said inner ring circumscribing an opening for receiving the wearer's head;
• a suspension secured to said inner ring and including at least two straps intersecting one another within the internal cavity of said outer shell;
• and
• a headband positioned substantially within said outer shell and adjacent the bottom opening of said outer shell, wherein the position of said headband relative to the inner ring can be manipulated, effectively adjusting the vertical position of the headband within and relative to the outer shell.