Knee protection airbag apparatus

A knee protection airbag apparatus, comprising:

• an airbag configured to be accommodated in a holder arranged in an instrument panel of a vehicle, wherein the knee protection airbag apparatus is configured to deploy and inflate the airbag with inflation gas between the holder and a leg of an occupant seated in a front seat of the vehicle, the airbag including:
• an upper inflation portion configured to be deployed and inflated from the holder along a rear surface of the instrument panel in a rear upward direction to protect a knee of the leg of the occupant;
• and
• a lower inflation portion configured to be deployed and inflated from the holder in a downward direction or a diagonally rear downward direction such that a lower end of the lower inflation portion reaches a position where the lower end contacts an instep of a foot of the leg of the occupant or a position lower than he instep to protect the foot of the occupant.