Airbag device

An airbag device includes a first region (25) and a second region (21). The first region (25) is configured to have a higher energy absorption than the second region (21). The airbag further includes left and right portions (22, 26). The left portion (22) is separated from the right portion (26). The airbag is capable of absorbing the kinetic energy of different occupants of various sizes and shapes.