ROOF-MOUNTED OCCUPANT RESTRAINT SYSTEM

A restraint system () for helping to protect an occupant () of a vehicle () having a seat () for the occupant () includes a primary airbag () having a stored condition within the roof () and being inflatable to a deployed condition extending into the cabin () on a first side of the seat (). A support airbag () has a stored condition within the roof () and is inflatable to a deployed condition on a second side of the seat () opposite the first side. Tethers () connect the primary airbag () and the support airbag () such that occupant () penetration into the primary airbag () pulls the support airbag () into engagement with the seat ().