Seat bottom mounted airbag assembly

A vehicle seat comprising:

• a seat bottom having a first side, a second side, and a top surface extending from the first side to the second side, the seat bottom having a midline equidistantly spaced from the first side and the second side;
• the seat bottom having a forward face extending downwardly directly from the top surface of the seat bottom;
• and
• an airbag supported by the seat bottom and inflatable to an inflated position;
• the airbag in the inflated position including a middle portion extending seat-forward from the forward face of the seat bottom in parallel with the midline;
• the airbag in the inflated position including a first forward portion extending laterally from the middle portion, the first forward portion being spaced from the seat bottom, a top surface of the first forward portion in the inflated position being higher than the top surface of the seat bottom;
• the airbag in the inflated position including a first wing portion spaced from the middle portion and extending seat-rearward from the first forward portion;
• the airbag in the inflated position including a second forward portion extending laterally from the middle portion away from the first forward portion, the second forward portion being spaced from the seat bottom, a top surface of the second forward portion in the inflated position being higher than the top surface of the seat bottom;
• the airbag in the inflated position including a second wing portion spaced from the middle portion and extending seat-rearward from the second forward portion;
• and
• the airbag including an inflation chamber extending in the middle portion, the first forward portion, the first wing portion, the second forward portion, and the second wing portion;
• the airbag includes a first tether extending from the first forward portion to the first wing portion, a second tether extending from the first forward portion to the middle portion, a third tether extending from the second forward portion to the second wing portion, and a fourth tether extending from the second forward portion to the middle portion.